Answer questions using line plots and data sets. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Tell time on unlabeled analog clocks. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students demonstrate their understanding of fractions as division. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice word problems that involve using the fraction bar as division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

Practice identifying the value of one of the digits in a decimal number. For example, the 3 in 4.563 has a value of 0.003. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

Practice breaking numbers into hundreds, tens, and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Find the distance between points, graph points, and interpret data on coordinate planes to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice computing the areas of rectangles that have fractional side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice more challenging problems comparing numbers within 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Practice breaking numbers apart into tens and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice grouping objects by tens. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice breaking apart problems like 23+45 into problems like 20+40+3+5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding numbers like 45+8. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice counting by 10s. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice counting by 5s. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice counting by 100s. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding two-digit numbers. All numbers in these problems are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving problems like 45 - 24. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.