Unit 1 (Topics 1-6): Addition and Subtraction

The meaning of the equal sign. True and false statements. The expression can be on the right side of the equal sign (e.g. 7 = 8 – 1). Both the left and right side of the equal sign may contain expressions (e.g. 5 + 2 = 1 + 4). Students are able to: determine if addition equations are true or false. ................
................