Rounding
Mrs. Vilanova gets a check for $567. Round the amount to the nearest hundred's place.
600
Find the estimated product for the numbers below:
9 x 23=
10 x 20
10 x 20=200
Mrs. Heebner buys 4 boxes of crackers. Each box has 18 crackers in it. How many crackers does she have in all?
72 crackers
Joe finds the difference between 45 and 32.
He says 20 is a reasonable answer for the difference. Is this true?
45 - 32= 13
13 is closer to 10 than to 20 so not so reasonable.
Sebastian wants to find the difference between how many trees are in his yard and his neighbors. Sebastian should (+, x, divide, or subtract)
Subtract
162/160
67 x 81= ____
20 eggs
56 x 104
What numbers would be reasonable to estimate with?
The numbers to multiply with, not the product!
60 x 100
Find the quotient means I should....
divide
Karleigh counts 1,382 beads in her jewelry box. Round this amount to the nearest thousands place.
1,000
Mrs. Adelman buys 214 treats for her three pets. She splits them equally. Each pet should get ABOUT this many treats...
70
Mrs. Scholz reads 178 pages on Monday and 291 pages on Tuesday. How many more pages does she read on Tuesday? Round to the nearest tens place.
113--> 110
Amelia multiplies 92 x 55 and gets 5,060.
She checks her work and multiplies 90 x 60 and gets 5,400. Is this a reasonable answer. Y/N
Yes!
Find the difference. Set up the problem but DO NOT SOLVE:
563 and 1,083
1,083- 563
5,671 rounded to the nearest tens place is :_______
5,670
Mrs. Vilanova has 431 diapers to share equally among 7 diaper bags. Each bag will have ABOUT this many diapers...
60
Matthew types 56 words in one minute. How many words can he type in 19 minutes?
1,064 words
Karleigh is finding the estimated quotient for this problem:
556 divided by 7.
55 is close to _____ *multiple of 7
to 550 is close to ____
56, 560
Find the product: Express an equation that shows finding the product
4, 12, and 3
3 x 4= 12
Tristan wins the lottery! When he rounds his winnings to the nearest thousands place, he has won $13,000. How much money did he win?
a) $12,009
b) $13,567
c) $13,999
d) $12,992
D) $12,992
Joe multiplies 78 x 96. He says he would estimate the product by rounding 78 to 80 and 96 to 90. Is his thinking correct? Yes or no and WHY?
No, he should round 96 to 100.
Joe has $600 to spend on a new xbox. His xbox costs $567. He purchases the insurance too for $21. How much change should he receive?
$12
102 x 44
100 x 40= 4000
Mrs. Bob is 47 years old. Her son Charlie is 18 years old. If she wants to find the difference between their ages, she should: add, subtract, multiply, or divide.
Find the difference and then round the answer to the nearest tens place!
47-18=29
29--> 30