Fun Fact Family Flashcard 2ND Grade

Front

What is a fact family?

Back

A fact family is a group of related math facts that use the same numbers. For example, the numbers 3, 4, and 7 can create the facts: 3 + 4 = 7, 4 + 3 = 7, 7 - 4 = 3, and 7 - 3 = 4.

Front

What does it mean to subtract?

Back

Subtracting means taking away a number from another number. For example, if you have 5 apples and you give away 2, you have 3 apples left.

Front

What is the whole in an equation?

Back

The whole is the total amount in an equation. For example, in the equation 3 + 5 = 8, the whole is 8.

Front

What is the missing number in 3 + __ = 9?

Back

The missing number is 6.

Front

What does it mean to add?

Back

Adding means putting together two or more numbers to find a total. For example, 2 + 3 = 5.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal. For example, 4 + 2 = 6 is an equation.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations. This means that if you add a number and then subtract the same number, you return to the original number.

Front

What is the fact family for the numbers 10, 2, and 12?

Back

The fact family is: 10 + 2 = 12, 2 + 10 = 12, 12 - 2 = 10, and 12 - 10 = 2.

Front

What is the missing equation in a fact family?

Back

The missing equation is the one that completes the relationships between the numbers in the fact family.

Front

What is the result of 9 - 3?

Back

The result is 6.