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- 1. Multiple Choice
How would I use expanded form to solve 326+123?
300+2+6
+100+2+3
=400+4+9=449
300+20+6
+100+20+3
=400+40+9=449
3+2+6
+1+2+3
=4+4+9=449
449
- 2. Multiple Choice
How would you solve 401+411 with expanded form?
401
+411
=812
400+1
+400+1+1
=800+1+1=812
400+0+1
+400+1+1
=8+1+1=812
400+0+1
+400+10+1
=800+10+1=812
- 3. Multiple Choice
40 + 30 + 9 + 0 = 7940 + 3 + 9 = 524 + 9 + 3 + 0 = 1640 + 30 + 9 = 89 - 4. Multiple ChoiceWrite the number in number form.258377358659
- 5. Multiple Choice300+60+8=386123308368
- 6. Multiple Choice901 in expanded form900+0+190+09+14+5
- 7. Multiple ChoiceFind the sum of the numbers using the base 10 blocks.73653456
- 8. Multiple ChoiceAdd the base ten blocks. What is the sum?89789887
- 9. Multiple ChoiceAdd the base ten blocks. What is the sum?85588883
- 10. Multiple ChoiceAdd the base ten blocks. What is the sum?79808190
- 11. Multiple Choice
How do you decompose this problem
56+27 using expanded form?
60+5 + 20+3
50+6 + 20+7
70+2 + 60+5
50+20 + 40+7
- 12. Multiple ChoiceWhat addition problem do these base ten blocks represent?35+2928+3929+3838+29
- 13. Multiple ChoiceAdd the two numbers.30374035
- 14. Multiple ChoiceAdd the two numbers.868889
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