What digit is in the hundreds place in the number 543
5
Use partial sums to add
359 + 420
300 + 400
50 + 20
9 + 0
779
Draw a picture to solve the equation.
345 + 123
468
Decompose 1 number to solve.
546 - 123
546 - 100 = 446
446 - 20 = 426
426 - 3 = 423
13
Write 1,204 in expanded form
1000 + 200 + 4
Use partial sums to add. Show your work!
345 + 651
300 + 600
40 + 50
5 + 1
996
Draw a picture to solve the equation.
500 + 200
see picture
700
Decompose 1 number to solve.
876 - 120
876 - 100 = 776
776 - 20 - 756
756 - 0= 756
Cooper had 212 baseballs. For his birthday, he got 67 more. How many does he have now? Show your work!
279
Write 2000 + 300 + 50 + 9 in standard form
2,359
Use partial sums to add. Show your work!
567 + 333
500 + 300
60 + 30
7 + 3
900
Draw a picture to solve the equation,.
567 - 120
see picture
447
Mrs. Evans decomposed a problem like this. Did she do it correctly? Why not?
456 - 118
400 - 100 = 300
50 - 10 = 60
6 - 8 = 2
NO! You only Decompose 1 number when you subtract.
Josie had 99 pairs of shoes. She got 21 dirty and got rid of them. How many does she have now?
78
answers May vary
Use partial sums to add. Show your work.
888 + 234
800 + 200
80 + 30
8 + 4
1122
Draw a picture to solve the equation.
765 - 129
see picture
636
Decompose 1 number to solve.
812 - 478
812 - 400 = 412
412 - 70 = 342
342 - 8 = 334
Mrs. Evans has had 113 students. This year she got 19 more. Then 3 moved away. How many students has she had now?
129
Write 8,724 in word form
eight thousand, seven hundred twenty-four
Use partial sums to add. Show your work!
600 + 500
600 + 500
1100
Draw a picture to solve the equation.
127 - 43
See picture
84
Mrs. Evans decomposed like this. Do you agree with her work? Why or why not?
389 - 211
211 - 300 = 111
111 - 80 = 31
31 - 9 = 22
NO! She decomposed the larger number
Kamdyn played a game and earned 238 points. The next day he earned 301 points. He need 560 points to get the new upgrade. How many more points does he need for the upgrade?
21