Unit 2 : Lesson 2.6 : Additional practice Homework:
I do :
We do :
337 + 542 = _____
255 + 334 = _____
Step 1: 300 + 500=800
Step 1: 200 + 300=____
Step 2:
30+40 = 70
Step 2:
50+30 = ____
Step 3:
7+2=9
Step 3:
5 + 4 = ____
Step 4: 800+70+9 = 879
Step 4: ___+___+___=___
You Do :
Decompose to add. Show all the steps:
333 + 512 = ____
624 + 275 = ____
379 + 610 = _____
555 + 307 = ____
614 + 243 = _____
123 + 326 = _____