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Unknown/Missing Number Review
Subject
Resource Type
File Type
Product Rating
Standards
CCSS1.OA.D.8
CCSS1.OA.B.4
- Product Description
- StandardsNEW
This is a great tool for you to use to review and practice the different methods that your students can use to solve for the unknown/missing number in an equation. This is specifically designed for a first grade classroom but could also be applied to a second grade classroom.
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CCSS1.OA.D.8
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = ▯ - 3, 6 + 6 = ▯.
CCSS1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Total Pages
3 pages
Answer Key
N/A
Teaching Duration
N/A
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