Multiplication
7x27
189
96/2
48
There are 57 pretzels in a bag. Caleb eats 12 of the pretzels. He then gives an equal number of all the remaining pretzels to each of 3 friends. What number of pretzels does Caleb give to each friend?
A. 15
B. 19
C. 21
D. 23
A. 15
Ruthie has 192 nails to make 8 birdhouses. Each birdhouse has the same number of nails. How many nails does each birdhouse use?
24
10x56
560
112/4
28
Rodney swims 200 meters in the local pool. Bill swims 3 times farther than Rodney. How many meters does Bill swim?
600 meters
Which is a reasonable estimate of the product of 4,921 and 4?
A) 2,000
B) 9,000
C) 16,000
D) 20,000
D
12x15
180
735/49
49
A teacher is setting up 204 chairs in rows for a concert. Each row can fit 9 chairs. What is the least number of rows needed to fit all of the chairs?
23
Use compatible numbers to find an estimated range for the quotient.
4,185 ÷ 5
A)400 to 500
B)500 to 600
C)600 to 700
D)800 to 900
D
428x19
8,132
1,583/6
263 R5
Rachel buys building supplies for her shop. A box of nails costs $6 and a sheet of plywood costs $11. What is the total cost of 15 boxes of nails and 18 sheets of plywood?
Nails: 90
Plywood: 198
Total: 288
Kate read for 40 minutes every day for 30 days. How many total minutes did she read?
1,200
274x134
36,716
6,427/7
918 R 1
Margo is organizing her coin collection in a book. Each page can hold 6 coins. If she has 78 coins, how many pages will she need to hold all of her coins?
13
273×43
11,739