Estimations
Multplying by 1-Digit
Multiplying 2 x 2
Multiplying 2 x 3
Random
100
In our school library, there are 40 bookshelves. Each bookshelf holds 300 books. How many total books are in the library? A. 12 B. 120 C. 1,200 D. 12,000
What is D. 12,000?
100
809 x 5 =?
What is 4,045?
100
48 x 91 =?
What is 4,368?
100
426 x 91 =?
What is 38,766?
100
Sarah has 8 cats, each cat has 4 kittens. How many kittens were there?
What is 32 kittens?
200
Which two numbers have an estimated product of about 800? A. 46 x 18 B. 42 x 38 C. 22 x 51 D. 39 x 17
What is D. 39 x 17?
200
186 x 9 = ? A. 1,674 B. 1,684 C. 1,774 D. 2,674
What is A. 1,674?
200
89 x 57 =? A. 5,083 B. 6,073 C. 5,073 D. 5,084
What is C. 5,073?
200
965 x 24 =? A. 23,152 B. 23,960 C. 24,160 D. 23,160
What is D. 23,160?
200
Jake 9 rabbits, they ran away. Jake got 9 more rabbits. How many rabbits did Jake have all together?
What is 81 rabbits?
300
David can type 71 words per minute. Which is the best estimate of the number of words David can type in 8 minutes? A. Less than 500 words B. Between 500 and 600 words C. Between 600 and 700 words D. More than 700 words
What is B. Between 500 and 600 words?
300
A delivery truck travels 346 miles each day for 5 days. What is the total number of miles the truck travels? A. 1,500 miles B. 1,523 miles C. 1,700 miles D. 1,730 miles
What is D. 1,730 miles?
300
Gaby's favorite basketball player averaged 840 points in his last 20 games. How many points did the basketball player make in all 20 games? A. 4,200 B. 42 C. 760 D. 560
What is B. 42?
300
The Randolph High School Auditorium has 210 rows. Each row has 42 seats. How many seats does the Randolph High School Auditorium have all together?
What is 8,820 seats?
300
Peterson was playing minecraft, he used 7 trapdoors and doors total. Then he used 9 blocks. How many objects did he use?
What is 63?
400
Catherine works 80 hours each pay period. Her salary is $20 per hour. How much money does she earn in 10 pay periods? A. $160,000 B. $16,000 C. $1,600 D. $160
What is B. $16,000?
400
An airline ticket cost $355. Mrs. Byrd wants to buy 4 tickets for her family. How much will she pay in all?
What is $1,420?
400
A parking lot has 68 rows with 24 parking spaces in each row. What is the total number of parking spaces? A. 1,632 B. 1,502 C. 408 D. 272
What is A. 1,632 parking spaces?
400
Cookies come in 5-pound boxes, with 14 boxes to a case. The store ordered 120 cases. How many pounds of cookies did the store order?
What is 8,400 pounds?
400
Max did 9 math problems in class, when he got home he did 3 more math problems. How many did he do that day?
What is 27?
500
The Texas state tree is the pecan. Pecans grow about 20 inches per year. Estimate about how many inches of growth a group of 882 pecans would gain in 10 years.
What is 90,000 inches?
500
Ms. Matthews pays $9,839 each month for rent. She has been in her apartment for 10 months. How much has she paid for rent in all?
What is $98,390?
500
The sports field at Randolph Elementary School is shaped like a rectangle. The field is 72 yards long and 46 yards wide. What is the area of the field in square yards?
What is 3,312 square yards?
500
Alyssa made 130 bags of cookies for the fifth grade. She put 28 cookies in each bag. What is the total number of cookies Alyssa used to make the baskets?
What is 8,640?
500
Anika read 5 minutes on Tuesday. She read 7 times as much on Thursday. How many minutes did she read on those two days?
What is 40?
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