Students experience and practice compositing and recycling through hands-on-activities. They distinguish between which items from their trash can be recycled, composted and reused. The process for making recycled paper is also covered in...

In this math activity, students solve 4 story problems. Some of the numbers are written in word form. Students use basic operations including averaging.

In this math operations and methods worksheet, students work out each of the story problems and then fill in the table with the correct information. The table asks for the operation, method, how and answer. There are 3 problems on this...

In this function machine learning exercise, 7th graders focus on the input and output of problem solving. Students study function machines and inverse operations and complete 38 fill in the blank practice problems.

This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 20. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...

A guide to support parents as they work with their students in sums and differences to 20.

Practice subtracting. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Students explore the concept of number partners by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems where they have to add or subtract 3 or more numbers.

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.

[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction word problem with numbers less than 20 and describes how to solve the problem. The video is followed by a series of practice questions...

[Free Registration/Login may be required to access all resource tools.] The video uses pictures to aide in counting back to solve subtraction. The video is followed by additional problems for students to practice the skills discussed in...

Students are given a word problem with multiple solutions. They are challenged to solve the problem using manipulatives, to draw a picture to represent their work, and possibly record their responses using equations. Examples of...

Explains how to subtract numbers from twenty or less, with reference to using addition to find the difference.

[Free Registration/Login may be required to access all resource tools.] Practice problems where students subtract one-digit numbers in two step word problems. A helpful video pops up if students are solving the problems incorrectly to...

Practice adding. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to solve word problems with simple addition and subtractions of lengths. [0:20]

Combine addition of numbers identified from playing cards with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require two decks of...

Combine mental math with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require pre-made math flashcards that can be easily created...

Students practice different levels of subtraction problems by popping the number of balloons necessary to find the solution.

Practice adding and subtracting to solve word problems. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding and subtracting to solve word problems. Numbers used are 20 or less.

The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...