1st grade math
1st grade math games, 1st grade math problems, 1st grade math worksheets, 1st grade math tests.
Find the whole number that solves the equation. Practice both addition and subtraction.
Solve word problems that call for addition of three whole numbers whose sum is less than 20.
Practice subtraction. Understand subtraction as an unknown-addend problem.
Use addition and subtraction to solve word problems up to the number 20.
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
Practice for CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
CCSS.Math.Content.1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.