## Math Answers!

3-1 Reteaching
- 500; 40; 5; 500+40+5=545
- 600; 50; 6; 600+50+6=656
- 959
- 907
- 588
- 300; 50; 5; 300+50+5=355
- 600; 40; 9; 600+40+9=649
- 765
- 917
- 600+90+8
- 738 students
- Sample Answer: I wrote each number in expanded form and added the hundreds to the hundreds, the test to the tens, and the ones to the ones. 400+300; 30+40; 6+2. Then, I added those sums, 700+70+8=778. Lauren's family drove 778 miles.
- (C) 900+80+8
- 133+87=220
- 256+122=378
- 146+134=280
- 263+248=511
- 243+112=355
- 37+148=185
- No, he does not have enough tens blocks. He needs to have at least 5 tens blocks.
- 321 steps
- 577
- 784
- (D) 521
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## enVisionMATHenVision Math is a Common Core Math Curriculum. It encompasses both procedural and conceptual understanding of mathematics. ## Archives
March 2018
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