Vocabulary
A(n) _________________ is an approximate solution to a problem.
estimate
What is the whole number value of 102
100
What multiplication expression would be a reasonable estimate for 37 x 86?
40 x 90
254 x 3
652
To estimate a solution, you can ________ the values used before performing operations.
round
Write the exponential form of 104 as a multiplication expression.
10 x 10 x 10 x 10
What multiplication expression would be a reasonable estimate for 142 x 17?
100 x 20
216 x 34
7344
A(n) __________________ is a set of steps used to solve a problem.
algorithm
Write the exponential form of 10 x 10 x 10 x 10 x 10
105
What multiplication expression would be a reasonable estimate for 58 x 372?
60 x 400
135 x 23
3105
When multiplying multi-digit numbers, you can decompose the factors and find ____________ . Then you add the __________________ to get the product.
partial products
What is the exponential form of 1,000?
103
A movie ticket cost $12. If a theater sold 478 tickets, about how much money did the theater make?
$5,000
180 x 72
12,960
The _______________ of a number includes a base raised to a power called the _______________ .
exponential form, exponent
True or False: 105 = 10 x 5. Explain
False. 105 = 10 x 10 x 10 x 10 x 10 = 100,000
A rectangular field measures 768 feet long and 88 feet wide. About how much is the area of the field?
72,000 square feet
378 x 29
10,962