Multiplicative 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 10 times as much as the 7 in the second number.
Round to estimate the product.
23 x 12
200
Solve.
15 x 1,000
15,000
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 value of the 3 in the first number is 100 times less than the value of 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
Students have 14 days off for Winter Break. They have 5 times as many days off in the summer. How many days do students get off in the summer?
70
Round to estimate the product.
277 x 64
18,000
Solve.
300 x 80
24,000
Use the area model to solve.
54 x 28
1,512
Use the distributive property to solve.
56 x 72
4,032
Ms. Huseby has 12 candy canes. Ms. Williams has 20 times as many! How many candy canes does Ms. Williams have?
240
I read 25 pages a day, every day. About 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
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. Approximately how much will it cost for the KIPP DC 4th graders to go to Hershey park?
$24,000
Solve.
28 x 90
2,520
Use the area model to solve.
7 x 1,023
7,161
Use the distributive property to solve.
161 x 89
14,329