Addition and subtraction

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 13 and 45?

Back

58

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

If there are 12 skittles in a bowl and 8 in a cup, how many fewer skittles are in the cup?

Back

4

Tags

CCSS.2.OA.A.1

Front

What is 89 minus 62?

Back

27

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 73 minus 54?

Back

19

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 48 and 21?

Back

69

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does 'fewer' mean in math?

Back

'Fewer' means a smaller number or amount when comparing two quantities.

Tags

CCSS.1.NBT.B.3

Front

What is a number line?

Back

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

Tags

CCSS.2.MD.B.6

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario.

Tags

CCSS.2.OA.A.1