Topic 3

Front

What is the Commutative Property?

Back

The Commutative Property states that changing the order of numbers in an operation does not change the result. For example, in addition: 2 + 3 = 3 + 2.

Front

What is the equation to test Ms. Gonzalez's generalization about 4s facts?

Back

4 X 2 = (2 X 2) + (2 X 2)

Front

How do you calculate the total ounces of grapes on 2 shelves with 5 boxes each containing 9 ounces?

Back

2 X 5 X 9 = 90 ounces.

Front

How many cups of flour are used to make 3 loaves of bread with 4 cups of flour each on 5 trays?

Back

4 X 3 X 5 = 60 cups of flour.

Front

Is the Commutative Property used in (3 X 4) X 5 = 5 X (3 X 4)?

Back

Yes, the order of multiplication does not affect the result.

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.

Front

What does it mean to generalize in math?

Back

To generalize means to make a broad statement or conclusion based on specific examples or facts.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, using an equal sign (=).

Front

What is the difference between addition and multiplication?

Back

Addition combines numbers to find a total, while multiplication combines groups of equal size.

Front

What is a fact family in multiplication?

Back

A fact family is a group of related addition and multiplication facts using the same numbers. For example, with 2, 3, and 6: 2 + 3 = 5, 3 + 2 = 5, 2 X 3 = 6, 3 X 2 = 6.