3.OA Operations and Algebraic Thinking 
Represent and solve problems involving multiplication and division 
3.OA.1 Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each.

3.OA.2 Interpret wholenumber quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each.
3.OA.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Best Math Friends
It’s not Facebook, it’s not MySpace, it’s BMF, Best Math Friends. Friend as many current celebrities and historical figures as you can by answering their word problems. See if you can friend all 50! Be careful though, if you answer too many problems incorrectly the game will end. Simply click "correct" if the word problem and answer given by the celebrity or historical figure is correct, and "incorrect" if it is not correct.

3.OA.4 Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
3.OA.5 Apply properties of operations as strategies to multiply and divide.
3.OA.6 Understand division as an unknownfactor problem.
3.OA.7 Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two onedigit numbers.

Drag N Drop Math
Award winning, drag and drop, platform for students to answer different types of addition, subtraction, multiplication, or division problems. Teachers and students can input their own problems.


Ultimate Worksheet Generator
Generate dozens of types of printable or online worksheets in addition, subtraction, multiplication, or division with or without decimals. Online worksheets give students immediate feedback.


Around the World
Around the World is a computeradapted version of the classic classroom game – Around the World. In this version, the user competes against kids from all over the world in a game of multiplication flash cards. Be careful, some of the kids in the classroom are faster than others! If you can go "Around the World," you will receive a special certificate at the end of the game.


Speed Math
Choose the specific tables you need to practice and see how many division or multiplication problems you can answer. Choose a countdown or set an obtainment goal.


Becoming Lord Voldemort
Choose the specific tables you need to practice and battle five evil wizards in your quest to become Lord Voldemath. As you defeat each wizard, you will gain a magical powers (such as shooting frogs out of your eyes) as you answer each problem correctly.


Great American Multiplication Challenge
Help your county and state rise to the top of the leaderboards in the Great American Multiplication Challenge. First choose your state and county (this may happen automatically or you may have to allow the program to obtain your location). Then, choose the multiplication tables to practice. Answer as many multiplication facts as you can in two minutes. When you are finished, click on "view statistics" and see how your performance helps your state and district.


World Cup Math
Choose multiplication or division and use your skills to score goals and prevent goals against the world’s greatest soccer teams.


Mr.N’s Math Slalom
Choose from four different courses; each course requires you to practice a different operation (x, , + or /). Use your mouse or finger pad to move your skier.


Golden Path (choose Multiplication, Division, or Mult. and Div.)
There is only one way across the pond – the Golden Path! Forge your frog’s path across the golden path, by using your comparative equation skills to hop to the nearest connected lily pad with the equation that has the largest sum or difference.


Tackle Math Ball
Rumble down the field by answering math facts in the given time. On defense, you stop the opponent from advancing when you click on the math problem that matches the answer. Enjoy the game.


Solve problems involving the four operations, and identify and explain patterns in arithmetic. 
3.OA.8 Solve twostep word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

Best Math Friends
It’s not Facebook, it’s not MySpace, it’s BMF, Best Math Friends. Friend as many current celebrities and historical figures as you can by answering their word problems. See if you can friend all 50! Be careful though, if you answer too many problems incorrectly the game will end. Simply click "correct" if the word problem and answer given by the celebrity or historical figure is correct, and "incorrect" if it is not correct.


Maximum Capacity
In Maximum Capacity, you play the role of an elevator attendant who must bring as many gorillas as possible to the eighth floor for the annual Gorilla’s Ball at the Jungle Hotel! The only problem is, the doors to the ball close in three minutes, and there are still hundreds of anxious gorillas waiting. Bring as many as you can to the eighth floor in three minutes using your estimation skills


Estimation Valley Golf
Choose your skill level and use your addition, subtraction, and multiplication estimation skills to shoot under par at the tricky Estimation Valley Course.


Home Run Derby Math
Use your estimation skills in addition, subtraction, and multiplication to blast tapemeasure home runs.


Golden Path (choose Multiplication, Division, or Mult. and Div.)
There is only one way across the pond – the Golden Path! Forge your frog’s path across the golden path, by using your comparative equation skills to hop to the nearest connected lily pad with the equation that has the largest sum or difference.


Bowling Pin Math
Use your number and equation comparisons to bowl a perfect game! Simply read the message at the top of the screen, and click on the bowling pins with the equations that meet the criteria.


HalfCourt Rounding
Use your rounding skills to shoot free throws, twopointers and threepointers in 90 seconds. How many points can you score?


Rounding Master
Use your rounding skills to become a Mathionaire!


Place Value Pirates
Use your place value skills to dispatch Sir Francis Place Value and his horrid band of Place Value Pirates. The game can be played with or without decimals.


Teacher Dodgeball
Form equations with the numbers and operations given to defeat each teacher in a round of dodgeball. Be careful, each new teacher presents equations with an additional step.


Slapshot Math
Use your estimation skills in addition, subtraction, and multiplication to power up your hockey stick and fire the pucks past the hapless goalie.

3.OA.9 Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations.

3.NBT Number and Operations in Base Ten 
Use place value understanding and properties of operations to perform multidigit arithmetic. 
3.NBT.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

HalfCourt Rounding
Use your rounding skills to shoot free throws, twopointers and threepointers in 90 seconds. How many points can you score?


Rounding Master
Use your rounding skills to become a Mathionaire!

3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Drag N Drop Math
Award winning, drag and drop, platform for students to answer different types of addition, subtraction, multiplication, or division problems. Teachers and students can input their own problems.


Ultimate Worksheet Generator
Generate dozens of types of printable or online worksheets in addition, subtraction, multiplication, or division with or without decimals. Online worksheets give students immediate feedback.


Place Value Pirates
Use your place value skills to dispatch Sir Francis Place Value and his horrid band of Place Value Pirates. The game can be played with or without decimals.


Decimals of the Caribbean
Use your numbertoword recognition skills to blast away at enemy pirate treasure ships and collect the riches along the way. This game features passcodes to keep once you move past certain rounds.

3.NBT.3 Multiply onedigit whole numbers by multiples of 10 in the range 1090 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.

3.NF Number and OperationsFractions 
Develop understanding of fractions as numbers. 
3.NF.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
3.NF.2 Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.2.a Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
3.NF.2.b Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.

3.NF.3 Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.
3.NF.3.a Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.
3.NF.3.b Recognize and generate simple equivalent fractions, (e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model.

Tony Fraction’s Pizza Shop
Use your equivalent fraction skills to fulfill your customers’ odd pizza requests. See how many pizzas you can sell in five minutes.


Fraction Dolphins
Use your equivalent fraction and lowest terms skills to feed the hungry dolphins their fractioned fishes!

3.NF.3.c Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers.
3.NF.3.d Compare two fractions with the same numerator or the same denominator by reasoning about their size. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model.


3.MD Measurement and Data 
Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects. 
3.MD.1 Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.

Clockworks
Fun, leveled telling time game in which students have two minutes to make as many clocks as they can. Simply look at the time that appears and move the hour and minute hands to their correct places. Four different skill levels including elapsed time!


Bedtime Bandits
Stay up as late as you can by blasting the enemy clocks falling from the ceiling with your magic flashlight. Simply pay attention to the time that appears on the bottom of the screen. Find the clock that matches the time click your space bar. This game gets harder as you progress to later rounds.


Clockmaker
Design your own working online clock by changing its colors, font colors, and style. You can even change the numbers from standard numerals to Roman Numerals. When you are done designing your clock, click "play game." See how long it takes you to identify ten different times. Click "wind," allow the hands to spin, and then enter the hours and minutes when they stop. Then, click "check."

3.MD.2 Measure and estimate liquid volumes and masses of objects using units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve onestep word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.

Represent and interpret data 
3.MD.3 Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one and twostep "how many more" and "how many less" problems using information presented in scaled bar graphs.

GraphMaster – Incredible program that allows students to generate three different interactive graphs on the same screen with their collected data. Program uses extreme scripting to generate and validate multiple choice questions and answers based on their entered data. 

Ice Cream Graphing
Ice Cream Graphing is a new graphing program on MrNussbaum.com, designed as an introduction to graphing for students in grades 13. The object is to construct a pie chart and bar graph based on specific ice cream orders.


Dedicated Bar Graph Generator
Use this program to enter collected data and create and print your own bar graph.


Dedicated Pie Chart Generator
Use this program to enter collected data and create and print your own pie chart.


Dedicated Line Graph Maker
Use this program to enter collected data and create and print your own line graph.

3.MD.4 Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate unitswhole numbers, halves, or quarters.

Geometric measurement: understand concepts of area and relate area to multiplication and to addition. 
3.MD.5 Recognize area as an attribute of plane figures and understand concepts of area measurement.
3.MD.5.a A square with side length 1 unit, called "a unit square," is said to have "one square unit" of area, and can be used to measure area.
3.MD.5.b A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
3.MD.6 Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).

3.MD.7 Relate area to the operations of multiplication and addition.
3.MD.7.a Find the area of a rectangle with wholenumber side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.
3.MD.7.b Multiply side lengths to find areas of rectangles with wholenumber side lengths in the context of solving real world and mathematical problems, and represent wholenumber products as rectangular areas in mathematical reasoning.
3.MD.7.d Recognize area as additive. Find areas of rectilinear figures by decomposing them into nonoverlapping rectangles and adding the areas of the nonoverlapping parts, applying this technique to solve real world problems.


Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures. 
3.MD.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

Zoo Designer
Use your skill sin finding area and perimeter to create the perfect enclosure for zoo animals


3.G Geometry 
Reason with shapes and their attributes 
3.G.1 Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.

Shape Invaders
Save the world from alien, imposter shapes by using your knowledge of different shapes and polygons.

3.G.2 Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.

