3rd Math Review

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

If a rectangle has a length of 8 cm and a width of 5 cm, what is its area?

Back

40 square cm.

Front

How do you determine the total number of people who prefer a certain option in a survey?

Back

Count the number of responses that indicate that preference.

Front

What is the sum of 10 + 5?

Back

15.

Front

Which number sentence does not have the same sum as 10 + 5?

Back

8 + 6 (which equals 14).

Front

What fraction represents the part of a whole that is colored blue if 2 out of 6 parts are blue?

Back

2/6.

Front

How can you simplify the fraction 2/6?

Back

By dividing both the numerator and denominator by 2, resulting in 1/3.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the factors does not change the product.

Front

If 3 × 5 = 15, what is 5 × 3?

Back

5 × 3 = 15, demonstrating the commutative property.