Estimating Sums in Fun 3-Digit Addition Challenges
Authored by Anthony Clark
English, Mathematics
3rd Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bakery sold 125 cupcakes in the morning and 238 cupcakes in the afternoon. How many cupcakes did they sell in total?
363
300
250
400
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A library has 456 books on one shelf and 289 books on another shelf. Estimate how many books are on both shelves combined.
750
500
600
800
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a toy store, there are 312 action figures and 145 dolls. How many toys are there altogether?
500
300
450
457
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A farmer harvested 275 apples and 348 oranges. How many fruits did he harvest in total?
500
623
600
700
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A school has 423 students in grade 3 and 256 students in grade 4. How many students are there in both grades?
256 students
679 students
679
423 students
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A zoo has 134 lions, 245 tigers, and 156 bears. Estimate the total number of big cats in the zoo.
245
156
400
379
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car dealership sold 198 cars in January and 275 cars in February. How many cars did they sell in those two months?
300
473
500
450
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
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