Which equations model the most reasonable estimate of the difference?
b and c
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15
432 â 176
256
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15
Taylor has 56 stickers. She plays with Lilly who has 27 stickers. How many stickers do the two girls have altogether?
83
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15
256 + 365
621
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seesaw
Swap points!
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shark
Other team loses 10 points!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 10 points!
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monster
Reset all scores!
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fairy
Take points!
5
10
15
20
25
shark
Other team loses 25 points!
Okay!
lifesaver
Give 20 points!
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20
The third graders have 250 erasers and scissors in the school store. They sell 47 erasers and 33 pens. How many erasers and scissors are left in the store? Show your work.
170
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15
Use expanded form
588
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15
409 + 437
846
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15
Find the difference. 786 â 213
573
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15
706 â 427
279
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15
What is the sum? Solve the addition problem.
908
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15
Which equations model the most reasonable estimate of the sum? 719 + 189
b or c
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15
Gunner buys 75 lollipops at the candy shop. He gives away 47 of them to his friends. How many does he have left?
