324 × 5 =
1,620
Which number sentence can be used to find 126 × 24?
A. (126 × 20) + (126 × 4)
B. (126 × 20) − (126 × 4)
C. (126 × 2) + (126 × 4)
A. (126 × 20) + (126 × 4)
A box contains 125 pencils. A teacher buys 6 boxes. How many pencils are there altogether?
750 pencils
What is the product of 24,315 and 6?
145,890
643
× 54
------
2,572 ← (643 × 4)
32,150 ← (643 × □)
------
34,722
50
708 × 6
4,248
200: Which can be used to find 215 × 36?
A. (215 × 30) + (215 × 6)
B. (215 × 3) + (215 × 6)
C. (215 × 30) − (215 × 6)
A. (215 × 30) + (215 × 6)
A fruit shop receives 235 baskets of oranges from a farm. Each basket contains 42 oranges. If all of the baskets are completely full, how many oranges did the shop receive in total?
9,870 oranges
36,428 × 7 is equal to ______.
254,996
Which digit makes the following calculation wrong?
284
× 36
------
1,704
8,920
------
10,624
9
It should be 5, because 284 × 30 = 8,520.
425 × 32
13,600
300: Which has the greatest value?
A. 64 × 10
B. 64 × 100
C. 64 × 1
D. 64 × 1,000
D. 64 × 1,000
A factory produces 1,425 bottles of water every hour. The factory operates for 9 hours before closing for the day. If it produces the same number of bottles each hour, how many bottles of water does the factory produce that day?
12,825 bottles
What is the product of 8,245 and 32?
263,840
What is the missing number?
725
× 63
------
2,175 ← (725 × 3)
43,500 ← (725 × □)
------
45,675
60
614 × 47
28,858
400: Which has the least value?
A. 325 × 50
B. 325 × 5
C. 325 × 100
D. 325 × 20
B. 325 × 5
A large concert hall has 146 sections of seats. Each section contains 225 seats for the audience. If every section has the same number of seats, how many seats are there in the concert hall altogether?
32,850 seats
4,728 × 65 is equal to ______.
307,320
What makes the following calculation wrong?
436
× 27
------
3,052
8,320
------
11,372
B — 3
It should be 7, because 436 × 20 = 8,720.
328 × 215
70,520
500: Complete the strategy:
428 × 53 = (428 × 50) + (428 × ___)
3
A factory manufactures 1,248 toy cars every day. The factory works every day for 365 days. If it produces the same number of toy cars each day, how many toy cars will the factory manufacture in 365 days?
455,520 toy cars
What is the product of 1,356 and 247?
334,932
What is the missing number?
918
× 42
------
1,836 ← (918 × 2)
36,720 ← (918 × □)
------
38,556
40