Math Math

Front

78 – 30 = _____

Back

48

Front

35 − 16 = ___

Back

19

Front

Chris has 12 red marbles, and some blue marbles. In total he has 27 marbles. How many blue marbles does Chris have?

Back

15

Front

18= 8+______

Back

10

Front

12+35=_______

Back

47

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals.

Front

What does 'equal' mean?

Back

Equal means the same in value or amount.

Front

What is a marble?

Back

A marble is a small round object often used in games.