Show:
Rounding to the nearest 10
Mental Math (Even or Odd)
Pairs that equal 10
Rounding to the nearest 100
Vertical Addition (Stacking place value)
100

Round 22 to the nearest 10.

20

100

8+8=

Is it even or odd?

16. 

Even.

100

6 and?

4

100

Round 130 to the nearest 100?

100.

100

456+123=

579

200

Round 46 to the nearest 10.

50

200

12+4=

Is it even or odd?

16.

Even.

200

7 and?

3
200

Round 590 to the nearest 100?

600

200

769+152=

921

300

Round 77 to the nearest 10.

80

300

4+9=

Is it even or odd?

13.

Odd.

300

5 and?

5

300

Round 278 to the nearest 100?

300

300

386+234=

620

400

Round 61 to the nearest 10.

60

400

14+5=

Is it even or odd?

19.

Odd.

400

9 and?

1

400

Round 401 to the nearest 100?

400

400

245+167=

412

500

Round 55 to the nearest 10. 

60

500

7+9=

Is it even or odd?

16.

Even.

500

8 and?

2

500

Round 712 to the nearest 100?

700

500

824+255=

1079