Show:
Counting
Plus or Minus 10
Comparison Number families
Place Value
Column Addition
100

Count by 10's to 100

10, 20, 30, 40, 50, 60, 70, 80, 90, 100

100

10+10

20

100

56 is less than 60.
What is the big number?

60

100

326

What is the hundreds digit?

3

100

What is
   45
+ 16

61

200

Count by 5's to 50.

5, 10, 15, 20, 25,30, 35, 40, 45, 50

200

23+10

33

200

10 is more than 7.
What is the small number?

7

200

47
What is the ones digit?

7

200

What is

   26
+53

79

300

Count by 2's to 20.

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

300

67+10

77

300

4 is less than 5.
What is the small number?

4

300

678
What is the ones digit?

8

300

What is

  82
+12

94

400

Count by 9's to 90

9,18,27,36,45,54,63,72,81,90

400

150+10

160

400

36 is less than B.
What is the big number?

B

400

6522
What is the hundreds digit?

5

400

What is 

  22
+11

33

500

Count backward by 10's starting with 100.

100, 90, 80, 70, 60, 50, 40, 30, 20, 10

500

186+10

196

500

12 is more than K.
What is the big number?

12

500

7789
What is the tens digit?

8

500

What is

 122
+37

159