Adding 10 and 100 mentally

Front

What is the sum of 200 and 200?

Back

400

Tags

CCSS.4.NBT.B.4

Front

What do you get when you add 100 to 754?

Back

854

Tags

CCSS.2.NBT.B.8

Front

What is 246 minus 100?

Back

146

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of adding 600 and 300?

Back

900

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 182 plus 10?

Back

192

Tags

CCSS.1.NBT.C.5

Front

What is the mental math strategy for adding 10 to a number?

Back

Increase the number by 10.

Tags

CCSS.2.NBT.B.5

Front

What is the mental math strategy for adding 100 to a number?

Back

Increase the number by 100.

Tags

CCSS.2.NBT.B.8

Front

How do you mentally subtract 100 from a number?

Back

Decrease the number by 100.

Tags

CCSS.2.NBT.B.8

Front

What is the result of 300 + 600?

Back

900

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If you have 754 and you add 100, what is the new total?

Back

854

Tags

CCSS.2.NBT.B.8