Unit 1 Math Review

Missing number

100

9 + 3 = ___

12

200

5 + ___ = 10

5

300

___ - 7 = 2

9

400

50 + 27 = ___

77

500

15 - ___ = 7

8

Word Problems

100

Luke has 8 markers.  Julianna has 9 markers.  How many do they have altogether?

17

200

Mrs. Gilbert has 13 pumpkins.  She gives some to Mrs. Koontz and now she only has 4.  How many did she give to Mrs. Koontz?

9

300

Miss Zachariah buys 20 chocolate chip cookies and 32 oatmeal cookies.  How many cookies does she buy in all?

52 cookies

400

Alexa has 12 bows. She wants to share them equally with Zoey.  How many does she give Zoey?

6

500

Dean has 16 stickers to share equally with his sister.  How many stickers does Dean keep?

8

Place Value

100

What is the value of the underlined digit?

846

Ones  (6 ones)

200

What is the value of the underlined digit?

532

Tens  (3 tens)

300

What place value is the underlined digit?

297

Hundreds  (2 hundreds)

400

What place value is the underlined digit?

606

Tens  (0 tens)

500

What place value is the underlined digit?

45

Tens (4 tens)

What's the number?

100

3 hundreds

5 tens

6 ones

356

200

7 hundreds

0 tens 

0 ones

700

300

8 tens

0 hundreds

3 ones

83

400

2 ones

9 tens

3 hundreds

392

500

400 + 60 + 7

(Expanded form)

467