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14 questions
Mrs. Ortiz can make 50 tortillas out of one batch of dough. If she makes 4 batches of dough, how many tortillas can she make? (4-2)
8
20
200
2,000
There are 52 weeks in one year. If Jean turned 9 today, which is the best estimate of the number of weeks Jean has been alive? (4-5)
600 weeks
540 weeks
530 weeks
450 weeks
Which shows one way to use breaking apart to find 7 X 32? (4-3)
(7 X 30) + (7 X 2)
(7 X 30) - (5 X 2)
(2 X 30) + (3 X 2)
30 X 7
A factory produces 295 cars in one week. How many cars does the factory produce in 4 weeks? (4-4)
885
1,180
1,200
1,220
Which shows another way to find 10 + 10 + 10? (4-1)
10 X 10 X 10
3 X 100
3 X 10
3 X 1
A bike loop is 8 miles long. Ed rode around the loop 18 times. He used compensation to find how far he rode. First, he multiplied 20 X 8 = 160. What should Ed do next? (4-4)
160 + 8 = 168
160 - 8 = 152
160 + 16 = 176
160 - 16 = 144
Susanna's school has 5 grades with an average of 48 students in each grade. Which is a reasonable number of students in Susanna's school? (4-6)
205, because 5 X 48 is about 5 X 40 = 200
240, because 5 X 48 is about 5 X 50 = 250
285, because 5 X 48 is about 5 X 60 = 300
315, because 5 X 48 is about 6 X 50 = 300
Ivan gets $22 a month for completing his chores. Which is the best estimate for the amount of money Ivan would have, if he saved all the money for 6 months? (4-5)
$200
$180
$120
$100
Which shows another way to find 100 + 100 + 100 + 100? (4-1)
4 X 1
4 X 10
4 X 100
100 X 100 X 100 X 100
Mrs. Henderson bought 4 boxes of facial tissues. Each box has 174 tissues. Which number sentence shows the best way to use rounding to estimate the total number of tissues? (4-5)
4 X 200 = 800
4 X 100 = 400
4 + 200 = 204
4 + 100 = 104
Which shows how to use breaking apart to find 5 X 17? (4-3)
(5 X 1) + (5 X 7)
(5 X 10) - (5 X 1)
(5 X 10) + (5 X 7)
5 X 15
Ali ran for 19 minutes 7 days in a row. How many minutes did Ali run? (4-4)
175 minutes
147 minutes
140 minutes
133 minutes
A gallon of paint can cover about 400 square feet of wall space. About how many square feet of wall space will 3 gallons cover? (4-2)
800 square feet
1,200 square feet
1,600 square feet
1,000 square feet
Nia has 5 piles of paper clips. There are 79 paper clips in each pile. She says she has 3,995 paper clips in all. Is her answer reasonable? Which answer explains it best. (4-6)
Yes, her answer is reasonable because 5 X 80 = 4,000
No, her answer is not reasonable because 5 X 80 = 400
No, her answer is not reasonable because 10 X 80 = 8,000
Yes, her answer is reasonable because 50 X 80 = 4,000
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