Multiplication Comparison
What is the relationship of the 7's in the numbers below?
7,123
3,712
The value of the 7 in the first number is 10x as much as the 7 in the second number.
Round to estimate the product.
23 x 12
200
Solve.
15 x 1,000
5,000
Use partial product to solve 47 x 9 =
40 x 9 + 7 x 9=
360 + 63 = 423
Use the distributive property to solve.
68 x 31
2,108
What is the relationship of the 3's in the numbers below?
27,329
37,219
The 3 in the first number is 100 times less than the 3 in the second number
Round to estimate the product.
48 x 14
500
Solve.
7 x 900
6,300
Use the area model to solve.
16 x 19
304
Use the distributive property to solve.
67 x 21
1,407
What is ten times as much as 700
7,000
Round to estimate the product.
277 x 64
18,000
Solve.
300 x 60
18,000
Use the area model to solve.
54 x 28
1,512
Use the distributive property to solve.
56 x 72
4,032
What is ten times less than 40,000
4,000
I read about 25 pages a day, every day. How many pages do I read in a year if a year is 365 days?
12,000
Solve.
456 x 50
22,800
Use the area model to solve.
13 x 456
5,928
Use the distributive property to solve.
654 x 12
7,848
I have $72. My brother has $9. How many times more money do I have than my brother?
______ times as much
8 times as much
The KIPP DC 4th graders are going to Hershey Park at the end of the year. There are 627 students and it costs $37 for each student. How much will it cost for the KIPP DC 4th graders to go to Hershey park?
$24,000
Solve.
6 x 5,000
30,000
Use the area model to solve.
37 x 123
4,551
Use the distributive property to solve.
161 x 89
14,329