Estimating Sums and Differences: Math Challenge for 4th Grade

Quiz
•
English
•
4th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lily has 25 apples. She gives 8 apples to her friend. How many apples does she have left? Estimate the difference before calculating.
17
20
10
15
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bookstore had 150 books. They sold 37 books last week. How many books are left in the store? Check if your answer makes sense by estimating.
113
120
90
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tom collected 45 baseball cards. He found 12 more cards in his attic. How many baseball cards does he have now? Estimate the total before solving.
50
60
45
57
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sarah read 60 pages of her book. Then she read 15 more pages. How many pages did she read in total? Estimate the sum to check your answer.
90
75
80
60
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A farmer has 200 chickens. He sold 45 chickens at the market. How many chickens does he have now? Estimate the difference to see if your answer is reasonable.
155
200
145
160
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a class, there are 30 students. If 5 students are absent, how many students are present? Estimate the number of present students before calculating.
20
30
25
15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A toy store had 75 toys. They received a shipment of 20 new toys. How many toys do they have now? Check your answer by estimating the total.
90
95
100
85
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