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
What is the base in the following expression?
105
10
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
What is the exponential form of
10,000
104
The answer to a multiplication problem is called a __________________
product
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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
What is the value of
106
1,000,000
What is the tiny little number next to a base called?
exponent
What are the partial products for 29 x 25?
400, 100, 180, 45
About how much is
875 x 89
81,000
Use an area model to solve.
236 x 53
12,508
What is the value of
8 x 103
8,000
__________ __________ are part of the multiplication problem that you end up adding together at the end.
partial products
If a ticket to the concert costs $45, and all 19 of us want to go, how much money do we need to attend the concert?
$855
About how much is
125 x 85
9,000
Use an area model to solve.
378 x 17
6,426
What is the value of
8 x 7 x 105
5,600,000
Writing a power of ten using an exponent is called
exponential form
If I drive 200 miles a day for 2 weeks, how far do I drive?
2,800 miles