Mental Math Subtraction

Front

10 - 8 = ?

Back

2

Tags

CCSS.2.OA.A.1

Front

100 - 45 = ?

Back

55

Tags

CCSS.1.NBT.C.5

Front

10 - 1 = ?

Back

9

Tags

CCSS.1.OA.C.6

Front

10 - 4 = ?

Back

6

Tags

CCSS.1.OA.C.6

Front

50 - 25 = ?

Back

25

Tags

CCSS.2.NBT.B.5

Front

What is subtraction?

Back

Subtraction is taking away one number from another.

Tags

CCSS.2.NBT.B.7

Front

What is the result of subtracting a larger number from a smaller number?

Back

You get a negative number.

Tags

CCSS.7.NS.A.1C

Front

What is the term for the number being subtracted?

Back

The number being subtracted is called the 'subtrahend.'

Tags

CCSS.5.NBT.B.7

Front

What is the term for the number you start with in subtraction?

Back

The number you start with is called the 'minuend.'

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 20 - 10 = ?

Back

10

Tags

CCSS.2.NBT.B.5