3 x 10
30
100 x 3
300
5 x 500
2,500
4 x 2,000
8,000
6 x 8,000
48,000
To break numbers down into parts.
decompose
Rounding factors to their greatest place results in this.
estimate
A number that is multiplied by another number.
factor
This states that you can multiply the addends of a number and then add the products.
distributive property
Uses place value to exchange equal amounts when renaming a number.
54 x 3
162
132 x 4
528
2,196 x 2
4,392
103 x 2
206
1,021 x 3
3,063
Macie took a math test that had 23 questions. If each question was worth 5 points, what was the highest score Macie could get?
115 is the highest score
Each ticket to a museum is $40. What is the total cost for a family with 5 people?
$200
Spencer packs 300 cups into 6 boxes. How many cups are there in all?
1,800 cups
There are 239 people in the first 6 rows of a movie theater. If the same number of people are in the next 6 rows, about how many people are in the first 12 rows?
400 people
Mrs. Kingsbury has to pack up her classroom. She has 56 boxes to pack. She can pack 9 items in each box.
How many items will she have packed altogether?
504 items
Bridgitte reads 1,032 pages each month. How many pages will she have read after 4 months? Is an estimate or exact answer needed?
4,128 pages - exact
Rylee answered 35 problems correctly on each of 4 tests. How many problems did she answer correctly altogether?
140 correct problems
Three cities in Texas each have a population of 1,348 people. How many total people live in the 3 cities?
4,044 people
Serenity reads 204 pages in a book each month. How many pages will Serenity read in 4 months?
816 pages
Mia saved $3,902 each month for 7 months. How much money did Graham save?
$27,314