Curated OER
Add or Subtract
In this problem solving worksheet, students solve 3 story problems in which a situation is described that will require addition or subtraction. Students write the correct number sentence, then solve.
Curated OER
Adding and Subtracting Integers
Seventh graders review the concept of integers and how to combine them. They use the number line in different situations for the visual needed to see how adding can be done. Then students practice with numerical expressions.
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Place Values - Subtracting
Students explore the concept of subtracting a number from a place value. For this subtracting from a place value lesson, students subtract numbers from a particular place value.
Curated OER
Math Review
In this math review activity, students complete 40 assorted problems pertaining to counting money (in English pence), addition and subtraction, divisibility, and milometer (odometer) word problems.
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Kid Zone Tree Math 1
What a fun and different way to practice subtraction! Your class must complete this number tree by subtracting two numbers at a time, in order to find the next numbers to subtract. The last number is provided for students to use as a...
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Subtraction-- Fill in the Gaps 4
In this math worksheet, learners find the missing numbers in 90 subtraction problems with 2 or 3 digits. The differences are provided but there are missing numbers in each problem. No strategies or examples are given.
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Modeling Basic Operations
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.