Mental Math
7 x 799
I can round 799 to 800.
800 x 7= 5,600
The product of two factors is 3,200. One factor
is 80. What is the other factor?
A. 40
B. 120
C. 60
D. 600
A. 40
Hotel Florence just opened their doors with 8 floors. Each floor can host 250 guests. How many guests can stay at this hotel if they are fully booked?
8 x 250=
2,000
What is the product for 12 x 32?
A. 480
B. 60
C. 384
C. 322
C. 384
What two factors estimated create the product 1,600?
A. 39 x 32
B. 36 x 41
C. 28 x 4
D. 32 x 43
B. 36 x 41
4 x 250
1,000
How many footballs do I have if I have 100 groups of 40 footballs?
4,000 footballs
There are 26 eggs in one basket. How many eggs are there in 27 baskets?
A. 712
B. 622
C. 702
D. 602
C. 702
What is the product of 36 x 45?
A. 1,620
B. 324
C. 1,600
D. 1,570
1,620
What two factors estimated create the product 4,500?
A. 503 X 908
B. 45 X 99
C. 450 X 902
D. 51 X 89
D. 51 X 89
4 x 650
4 x 600= 2,400
4 x 50= 200
2,600
Which number makes the equation true?
6,000 X ____ = 240,000
A. 4
B. 40
C. 400
D. 4,00
B. 40
A bakery has 12 bins of bagels. Each bin is filled with 37 bagels. Which expression can be used to find the total number of bagels? Select all that apply.
A. 12 X 37
B. 12 X (30 + 7)
C. 12 + 30 + 12 + 7
D. (12 X 30) + (12 X 7)
E. 360 + 91
A. 12 X 37
B. 12 X (30 + 7)
D. (12 X 30) + (12 X 7)
What is the product of 867 x 41?
A. 4,335
B. 3,457
C. 35,547
D. 53,345
C. 35,547
What is the missing factor when rounded
60 x ____ = 36,000
A. 65
B. 650
C. 58
D. 594
D. 594
8 x 920
8 x 900= 7,200
8 x 20= 160
7,360
Which number makes the equation true?
8,000 X ____ = 40,000
A. 5
B. 50
C. 500
D. 5,00
A. 5
A teacher makes 176 copies of a booklet. Each
booklet has 18 pages. How many pages does
the teacher copy?
A. 194
B. 3,168
C. 3,520
D. 3,824
B. 3,168
A. 539
B. 4,949
C. 5,139
D. 98
A. 539
What is the missing factor when rounded 320,000
800 x _____ = 56,000
A. 67
B. 658
C. 798
D. 73
A. 67
925 x 5
900 x 5= 4,500
25 x 5= 125
4,625
The product of two factors is 6,000. One factor
is 15. What is the other factor?
A. 40
B. 120
C. 60
D. 400
Graham swam 14 laps 12 times in May. He swam 15 laps 16 times in June. How many laps did Graham swim in May?
A. 26 laps
B. 168 laps
C. 186 laps
D. 200 laps
B. 168 laps
What is the product of 462 x 54?
A. 24,894
B. 4,158
C. 24,948
D. 4,352
C. 24,948
What is the estimated product of 567 x 152?
A. 1,200
B. 240,000
C. 2,200
D. 120,000
D. 120,000