Math 12.10

Add hundreds

100

400+500=

900

200

100+400=

500

300

200+200=

400

400

300+600=

900

500

200+800=

1,000

Add tens

100

432+10=

442

200

631+10

641

300

852+10=

862

400

123+10=

133

500

691+10=

701

Add

100

564+126=

690

200

149+789=

938

300

258+741=

999

400

357+159=

516

500

951+753=

1,704

Story Problems

100

Matt finds 157 rocks on his walk. His sisters finds 231 rocks. How many rocks did they find?

388 rocks

200

Cindy is shopping and spends $567. Her brother goes shopping and spends $287. How much do they spend?

$854

300

Rose hides 37 stickers from her sister. Her sister hides 56 from Rose. How many stickers are hidden?

93

400

Mrs. Becker cooks 391 cookies on Tuesday. On Wednesday, she cooks 125 more. How many cookies does she cook?

516 cookies

500

There are 876 stores in town. 47 more stores open up. How many stores are there now?

923 stores

RANDOM

100

How many days until Christmas?

15

200

What color is the Grinch?

green

300

I want a ______ for Christmas.

Hippopotamus 

400

What is the night before Christmas called?

Christmas Eve

500

The night of December 31 is called _____ _____ ____.

New Year's Eve