Pupils subtract numbers one through 12 and complete missing addend problems. This worksheet includes a helpful number line and 20 problems to complete. Tip: Hand out unifix cubes or chips to help tactile learners solve each problem.

First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.

They can tackle this learning exercise once your class has mastered basic double-digit subtraction. They'll need to find the missing subtraction facts to 20 that complete each problem.

Slide the coefficients to determine sums of polynomials. The interactive contains sliders to change the coefficients of an addend in a polynomial addition problem. Pupils determine the coefficients of the addend to arrive at particular...

Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...

Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.

In this subtraction instructional activity, students use the given numbers to complete and solve the horizontal subtraction equations. Students solve 20 problems.

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The purpose of this task is for students to practice creating and memorizing subtraction equations while focusing on missing addends. After modeling the activity with the whole class, this game would be perfect for centers and small groups.

Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.