Make It True Missing Number Addition Subtraction Worksheet
This Make It True Missing Number Addition Subtraction Worksheet gives 1st graders ten equations to complete by filling in the missing number. Answer key included for fast, no-prep practice.
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About this resource
Description
Learning that both sides of an equation must be equal is a huge step in early math, and the Make It True Missing Number Addition Subtraction Worksheet gives young learners the perfect place to practice it. On this worksheet, students look at addition and subtraction number sentences with one number missing and figure out the value that makes each equation true, building a strong sense of how numbers work together.
This printable 1st grade addition worksheet features ten mixed addition and subtraction equations, each with an empty box standing in for the missing number. The unknown appears in different spots — sometimes the first number, sometimes the second, and sometimes the answer — so students have to think flexibly instead of following one rule. To use it, print the page, remind students that the two sides of the equal sign must match, and let them fill in each box. A complete answer key makes checking quick.
What’s Included
- 1 print-ready PDF worksheet
- Answer key
- 10 mixed addition & subtraction equations
The Make It True Missing Number Addition Subtraction Worksheet helps in three important ways. First, hunting for the missing number strengthens fact fluency because students must add or subtract to test their answer. Second, moving the unknown around the equation teaches the meaning of the equal sign as “the same as,” not “the answer comes next.” Third, mixing addition and subtraction on one page helps students see how the two operations undo each other.
Teachers and parents can make this skill playful. Write an equation with a missing number on a whiteboard and cover one number with a sticky note for students to “unhide.” Use counters or small toys to act out each number sentence, physically adding or taking away objects until both sides match. Turn it into a game by having one child build an equation and a partner find the number that makes it true. These quick activities reinforce the same thinking the worksheet builds.
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