Estimating
Round to the nearest ten to estimate the product.
29 x 43
1,200
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 ten to estimate the product.
59 x 32
1,800
Use an area model to solve.
73 x 81
5,913
Use an area model to solve.
19 x 43
817
The answer to a multiplication problem is called a __________________
product
Solve 43 x 71 using any strategy you want
3,053
Round to the nearest ten to estimate the product.
71 x 90
6,300
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
What are the partial products for 29 x 25?
400, 100, 180, 45
Round to the nearest ten to estimate the product.
87 x 89
8,100
Use an area model to solve.
26 x 53
1,378
Use an area model to solve.
52 x 46
2,392
__________ __________ are part of the multiplication problem that you end up adding together at the end.
partial products
What are the partial products for
13 x 23
9, 30, 60, 200
Round to the nearest ten to estimate the product.
12 x 85
900
Use an area model to solve.
38 x 17
646
Use an area model to solve.
77 x 32
2,464
Repeated addition and ______________ are the same thing.
I had 4 apples and 18 oranges. If I had 36 baskets, how many total fruit do I have?
792 fruit total