Topic 4 enVision Practice Test

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is the product of 842 and 8?

Back

The product of 842 and 8 is 6,736.

Front

How do you calculate the total time if someone runs for 19 minutes each day for 7 days?

Back

To find the total time, multiply the daily time by the number of days: 19 minutes x 7 days = 133 minutes.

Front

What is an alternative way to express 100 + 100 + 100 + 100?

Back

You can express it as 4 x 100.

Front

How can you break apart the multiplication of 5 x 17?

Back

You can break it apart as (5 x 10) + (5 x 7).

Front

What is estimation in multiplication?

Back

Estimation is a way to find an approximate answer by rounding numbers before performing the multiplication.

Front

Estimate the product of 3 x 287 using rounding.

Back

When rounding 287 to the nearest hundred, it becomes 300. So, 3 x 300 = 900.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

Front

What is the associative property of multiplication?

Back

The associative property states that the way in which numbers are grouped in multiplication does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 4 x 5 = 5 x 4.