1.CA.6

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false (e.g., Which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2).

I Can Statements Academic Vocabulary

I can understand what the equal sign means.
I can determine if addition problems are true or false.
I can determine if subtraction problems are true or false.

Equal sign
Addition
Subtraction

Looking Back Looking Ahead

Use objects, drawings, etc., to decompose numbers less than or equal to 10 into pairs in more than one way. (MA.K.CA.3)
Find the number that makes 10 when added to the given number for any number from 1 to 9. (MA.K.CA.4)

Use addition to find the total numbers of objects arranged in rectangular arrays. (MA.2.CA.5)
Show that the order in which two numbers are added and how the numbers are grouped in addition will not change the sum. (MA.2.CA.6)