Rounding
Adding
Subtracting
Variable
Word Problems
100
16 rounded to the nearest ten
What is 20
100
123 + 112
What is 235
100
56 - 23
What is 33
100
Find n. 4 + 14 = n
What is n= 18
100
There are 320 dolphins at the zoo. There are 120 more dolphins than whales. How many whales are there at the zoo?
What is 200 whales
200
45 rounded to the nearest ten
What is 50
200
324 + 154
What is 478
200
145 - 27
What is 118
200
Find n. 10 + n = 16
What is n = 6
200
Ms. Martinez drive 345 miles on Monday and 123 miles on Tuesday. How many miles did she drive in all?
What is 468
300
132 rounded to the nearest hundred
What is 100
300
455 + 27
What is 482
300
100 - 23
What is 77
300
Find n. 25 + n = 5 + 30
What is n= 10
300
Mr. Ernie ate 20 carrots for lunch on Monday and 46 carrots on Friday. After eating all of the carrots, he realized that 16 of them were rotten. How many of the carrots were good carrots?
What is 50 carrots
400
What is the LEAST number that rounds to 50
What is 45
400
547 + 273
What is 820
400
500 - 234
What is 266
400
Find n. 32 + n = 40 + 8
What is n= 16
400
Cardin had $25. He paid $8 for smelly markers and $7 for sticky notes. Cardin has ______ left over. Select ALL equations that can be used to determine how much money Cardin has left over. A. 25 - ( 8 + 7) B. (25- 8) - 7 C. (25 + 8) - 7 D. (25 -7) + 8
What is A and B
500
What is the GREATEST number that rounds to 70
What is 75
500
1,456 + 534
What is 1,990
500
600 - 476
What is 124
500
Find n. 50 - n = 13 + 12
What is n= 25
500
The Cardinals solved 63 math problems today and 49 yesterday. They answered 43 problems wrong, how many did they get correct? Donna used the equation below to figure out how many problems the Cardinals answered correctly. Is she correct? Why or why not? 63 - (49 + 43)= n
What is No, she is incorrect
M
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n
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