Place Value, Adding, and Subtracting

Place Value

100

What does 2 represent in the number 12?

2 ones

200

What does 5 represent in the number 52? 

5 tens or 50

300

What does 7 represent in the number 719?

7 hundreds or 700

400

What does 8 represent in the number 8511?

8 thousands or 8000

500

What does 1 represent in the number 1.57

1 ones or 1

Adding

100

4 +10 = ?

14

200

34 + 6 = ?

40

300

45 + 17 = ?

62

400

410 + 135 = ?

545

500

279 + 289 = ?

568

Subtracting

100

10 - 3 = ?

7

200

12 - 6 = ?

6

300

25 - 23 = ?

2

400

159 - 112 = ?

47

500

505 - 300 = ?

205

Representing

100

Represent 4 ones

4 ones

200

Represent 16

16; 1 ten and 6 ones or 16 ones

300

Represent 25

25; 2 tens and 5 ones or 25 ones

400

Represent 143

One hundred and forty three; 1 hundred and 4 tens, and 3 ones or 143 onesl etc. 

500

Represent 1562

1562; one thousand blocks, 5 hundred blocks, 6 tens, and 2 ones

Rounding

100

Round to the nearest tens: 16

20

200

Round to the nearest ten: 52

50

300

Round to the nearest ten: 75

80

400

Round to the nearest hundred: 163

200

500

Round to the nearest hundred: 149

100