10. Addition Sentences within 20
In Addition Sentences within 20 Worksheet, students learn to represent addition as addition sentences, using symbols and numbers. An addition sentence is a number sentence or simply an equation used to express addition. For example, 2 + 3 = 5 is an addition sentence. The sum of numbers do not exceed 20 in this worksheet.
Common Core Alignment
1.OA.7Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.