Description: This activity involves students solving word problems in addition and subtraction with two-digit numbers.

Description: This activity involves students determining whether the picture shows an odd or even number of members.

Description: This activity involves students dragging the number to the correct odd or even container.

Description: This activity involves students dragging the equations with odd solutions and even solutions to the correct containers.

Description: This math drill requires students to answer questions about the rectangular arrays. Immediate feedback is given.

Description: This activity requires students to match the numbers (in the hundreds) with their written words.

Description: This activity requires students to match the identify the value of a digit in a number. For example, "How many hundreds are in 587?"

Description: This online activity requires students to skip count by 2's, 5's, 10's, and others

Description: This online activity requires students to determine whether or not the words match the number. For example, does six hundred fifty-five = 655?

Description: This exercise requires students to match the words with their correct numbers. In this example, all of the numbers are closely related. For example, "six hundred six, six hundred sixty, six hundred sixteen." Students must differentiate between closely related numbers that sound and look alike. Great practice!

Description: This exercise requires students to drag and drop numbers to two containers. One that is greater than 500 and one that is less than 500.

Description: This exercise requires students to determine whether the expressions are true or false? For example, 714 > 741 or 534 < 543?

Description: This simple exercise requires students to find the sums of two numbers without using regrouping.

Description: This simple exercise requires students to find the sums of a two-digit number and a one-digit number with regrouping (e.g. 45 + 7)

Description: This simple exercise requires students to find the sums of two numbers using regrouping.

Description: This activity requires students to simply determine whether regrouping is required in the addition problems.

Description: This activity requires students to use regrouping to find the differences between two two-digit numbers.

Description: This activity requires students to find the differences between two two-digit numbers (no regrouping).

Description: This activity requires students to add three two-digit numbers both with and without regrouping.

Description: This activity requires students to add three four-digit numbers (with a sum of less than 100) both with and without regrouping.

Description: This activity requires students to add two three-digit numbers (463 + 378).

Description: This activity requires students to add subtract three-digit numbers (415 - 246)

Description: This activity requires students to follow the rules of an in/out chart to complete the addition problems.

Description: This activity requires students to subtract multiples of ten from three-digit numbers. For example, 170 - 60 or 420 - 150.

Description: This activity requires students to add multiples of ten to three-digit numbers. For example, 170 + 60 or 420 + 150.

Description: This activity requires students to find the number missing in three-way number association. For example, 7, 8, ?

Description: This activity requires students to find the number missing fact in a fact family. For example, 6 + 4 = 10, 4 + 6 = 10, 10 - 4 = 6, and....

Description: This activity requires students to find the "intruder" amongst four associated numbers. For example in the set 7, 15, 4, 8, "4" would be the intruder number because 7, 15, and 8 can be used to form facts together. 4 cannot be combined with two other numbers in the set to produce any facts.

Description: This activity requires students to measure to the nearest inch or half-inch with a provided standard ruler.

Description: This activity requires students to measure to the nearest centimeter or half-centimeter using a metric ruler.

Description: This activity requires students to drag and drop the items to their correct container with the label of the best way to measure each. For example, an airport runway would best be measured in yards, whereas a finger would best be measured in inches.

Description: This activity requires students to determine the best estimate in standard length or height for a variety of things. For example, is a bus 35 feet long or 35 yards long?

Description: This activity requires students to use estimation to determine the lengths of lines in metric units.

Description: This activity requires students to solve word problems with metric units of length.

Description: This activity requires students to identify the value of different stars on a number line.

Description: This activity requires students to identify the value of different stars on a number line and to perform addition and subtraction operations based on those values.

Description: This activity requires students to identify the value of different stars on a number line and to compare their values using <, and >.

Description: This activity requires students to count pennies and total the amount of money.

Description: This activity requires students to count nickels and pennies and total the amount of money.

Description: This activity requires students to count nickels and total the amount of money.

Description: This activity requires students to count pennies, nickels, and dimes, and total the amount of money.

Description: This activity requires students to count dimes and total the amount of money.

Description: This activity requires students to count quarters and total the amount of money.

Description: This activity requires students to calculate money amounts using coins and currency.

Description: This activity requires students to make change from $1.00

Description: This activity requires students to find solutions for word problems with money amounts.

Description: This activity requires students to answer questions associated with a pictogram.

Description: This activity requires students to answer questions associated with a tally chart.

Description: This activity requires students to use data from a bar graph to answer questions.

Description: This activity requires students to read data from bar graphs to answer questions about favorite ice cream flavors.

Description: This activity requires students to interpret bar graphs in which the Y-Axis changes to different intervals.

Description: This activity requires students to read data from a bar graph to answer questions about the number of siblings per student in a fictional classroom.

Description: This activity requires students to identify different shapes.

Description: This activity requires students to identify attributes of different shapes.

Description: This activity requires students to identify the amount of vertices, edges, or faces on each of the shapes.

Description: This activity requires students to count area units.

Description: This activity requires students to identify fractions that show 1/2 or 1/4.

Description: This activity requires students to identify fractions based on the pictures shown.

Description: This activity requires students to rag and drop the fractions into their correct containers based on whether or not each is larger than 1/2.