Unit 4 Test Review

Front

What is the result of multiplying a number by 0.3?

Back

To find the result, multiply the number by 0.3. For example, 400 x 0.3 = 120.

Front

What is the product of 60 and 4?

Back

The product of 60 and 4 is 240.

Front

How do you calculate 80 times 0.1?

Back

To calculate 80 times 0.1, multiply 80 by 0.1, which equals 8.

Front

What is the result of 23 multiplied by 0.6?

Back

23 multiplied by 0.6 equals 13.8.

Front

What is the product of 23 and 71?

Back

The product of 23 and 71 is 1,633.

Front

What is the general formula for multiplying two numbers?

Back

The general formula for multiplying two numbers is a x b = c, where a and b are the numbers being multiplied and c is the product.

Front

What does it mean to multiply a number by a decimal?

Back

Multiplying a number by a decimal involves scaling the number down. For example, multiplying by 0.5 halves the number.

Front

How can you check the result of a multiplication problem?

Back

You can check the result of a multiplication problem by performing the inverse operation, which is division.

Front

What is the significance of the decimal point in multiplication?

Back

The decimal point indicates the scale of the number. For example, multiplying by 0.1 reduces the number to one-tenth.

Front

What is the relationship between multiplication and repeated addition?

Back

Multiplication can be thought of as repeated addition. For example, 4 x 3 is the same as adding 4 three times (4 + 4 + 4).