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Story Problems
100
5-3=
5-3=2
100
What is 28 in expanded form?

20 + 8

100
45 -21 -----
45 -21 ----- 24
100

679 -141 = ?

679 -141 ------ 538

100
There were 8 kids working at a table. The teacher called 3 of them away to read together. How many were left at the table?
8-3=5 There are 5 children left working at the table.
200
7-4=
7-4=3
200

100 + 40 + 5

145

200
50 -26 ------
50 -26 ------ 24
200

721 - 411 = ?

721 -417 ------ 310

200
There were 15 red and blue balloons. If 7 of them were red, how many were blue?
15-7=8 There were 8 blue balloons.
300
9-8=
9-8=1
300

What is 278 in expanded form?

200 + 70 + 8

300
90 - 11 ------
90 - 11 ------ 79
300

863 -148 = ?

863 -148 ------ 715

300
There were 66 students at the assembly. Then, 23 got up and sang a song. How many students were left in the audience?
66 - 23 ------- 43 There were 43 students in the audience.
400
12-10=
12-10=2
400

800 + 30

830

400
88 -88 ------
88 -88 ------ 0
400

638 - 245 = ?

638 - 245 ------- 383

400
There are 72 chickens in the coop. Only 49 of them laid eggs. How many chickens did not lay an egg?
72 - 49 ------ 23 There were 23 chickens that did not lay an egg.
500
15-8=
15-8=7
500

Write 904 in expanded form

900 + 4

500
79 -26 -----
79 -26 ----- 53
500

778 - 589 = ?

778 - 589 ------ 189

500

Mrs. Farmer had 874 pencils in her classroom. She gave 245 pencils away to other teachers. How many pencils does she have now?

She has 629 pencils now.