Add and Subtract within 100

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 68 and 22?

Back

90

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 46 and 52?

Back

98

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the result of 79 minus 53?

Back

26

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 33 and 62?

Back

95

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does it mean to find the total?

Back

Finding the total means adding all the numbers together to get one final number.

Tags

CCSS.5.NBT.B.7

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Tags

CCSS.2.MD.B.6

Front

What is a fact family in addition and subtraction?

Back

A fact family is a group of related addition and subtraction facts using the same numbers.

Tags

CCSS.2.OA.C.4

Front

If you have 50 apples and you add 30 more, how many apples do you have?

Back

80 apples.

Tags

CCSS.2.OA.A.1