Estimating
Round to the nearest ten, 28.
30
Use an area model to solve.
34 x 51
1,734
Use an area model to solve.
34 x 30
1,020
An ___________ shows the number of objects in rows and columns
array
How do you write 349 in expanded form?
300 + 40 + 9
Round to the nearest hundred, 324.
300
Use an area model to solve.
73 x 81
5,913
Use an area model to solve.
19 x 43
817
The three numbers that can be used and rearranged to make 4 different math equations.
List the 6 factors of 12.
1, 12, 2, 6, 3, 4
Round to the nearest thousand, 4,678.
5,000
Use an area model to solve.
64 x 32
2,048
Use an area model to solve.
82 x 91
7,462
When you use an area model you first break up the numbers by _________ _________.
place value
5 x 4 = 20
4 x 5 = 20
Round to the nearest ten thousand, 35,250.
35,000
Use an area model to solve.
26 x 53
1,378
Use an area model to solve.
52 x 46
2,392
__________ is the same as skip counting when you are multiplying.
multiples
Rewrite the following equation based on its inverse operation.
6 x 10 = 60
60 / 10 = 6
Or
60 / 6 = 10
Round to the nearest hundred thousand, 567,962.
600,000
Use an area model to solve.
38 x 17
646
Use an area model to solve.
77 x 32
2,464
Two numbers that are multiplied together to create an answer.
Factors
I had 4 apples and 18 oranges. If I had 36 baskets, how many total fruit do I have?
792 fruit total