Powers of 10
Vocabulary
Word Problem
Multiplication
Multiplication
100
30 x 10
300
100
What is the answer to a multiplication problem called?
Product
100
If I buy 10 books that each cost $5, how much money will I spend?
$50
100
121 x 3
363
100
42 x 8
336
200
68 x 10
680
200

A picture showing a multiplication problem, using equal groups, , with rows and columns is called a _______

Array

200
There are 3 fourth grade classes, with 25 students in each. How many students are in fourth grade?
75
200
23 x 42
966
200
13 x 27
351
300
17 x 100
1700
300

When is each number called in a number? For example, 346 has three of these.

digits

300
Each fourth grader needs 15 pencils for the year. If there are 75 total fourth graders, how many pencils does Mrs. Habben need to buy?
1,125
300
89 x 72
6408
300
87 x 56
4872
400
40 x 20
800
400

What are the numbers called that you multiply to get the product?

factors

400
There are 64 dogs in the doggy daycare. Each dog gets 5 treats a day. How many treats are given to all the dogs in one day?
320
400
45 x 33
1,530
400
88 x 76
6,688
500
200 x 500
100, 000
500

When we round to get an answer, we are making an __________.

estimate

500
The library has 76 bookcases. Each bookcase has 83 books. How many total books are in the library?
6,308
500
6573 x 5
32,865
500
5973 x 9
53,757
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