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COMMON CORE
FIRST GRADE MATH
CCSS.MATH.CONTENT.1.OA.B.4
GAMES
1.OA.B.4 Common Core Games
CCSS.Math.Content.1.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.
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Operations and Algebraic Thinking (OA)
Number and Operations in Base Ten (NBT)
Measurement and Data (MD)
Geometry (G)
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An easy and engaging math game for Grade 1 kids to..
8,883 Plays
Grade 1
(570)
Addition Equation
A perfect math game for Grade 1 kids to practice a..
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Grade 1
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Number Line Addition
Build Addition Skills
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Grade 1
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Build Addition Skills
Practice your addition skills with this cool math ..
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Mission Addition
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