Expanded Form
Standard Form
Counting by 2's
Counting by 5's
Counting by 10's
100

26

20+6

100

50+5

55

100

2 , __ , __ , __ , 10 

2 , 4 , 6 , 8 , 10

100

5 , __ , __ , __ , 25

5 , 10 , 15 , 20 , 25

100

10 , __ , __ , __ , 50

10 , 20 , 30 , 40 , 50

200

239

200+30+9

200

600+70+1

671

200

30 , __ , __ , __ , 38

30 , 32 , 34 , 36 , 38

200

45 , __ , __ , __ , 65

45 , 50 , 55 , 60 , 65

200

40 , __ , __ , __ , 80

40 , 50 , 60 , 70 , 80

300

6,983

6000+900+80+3

300

9000+200+40+4

9,244

300

64 , __ , __ , __ , 72

64 , 66 , 68 , 70 , 72

300

80 ,  __ , __ , __ , 100

80 , 85 , 90 , 95 , 100

300

70 , __ , __ , __ , 110

70 , 80 , 90 , 100 , 110

400

8,315

8000+300+10+5

400

9000+600+10+5

9,615

400

There are 6 girls playing on the playground.  How many eyes are there?

2 - 2 - 2 - 2 - 2 - 2

12 eyes

400

My dog loves bones.  He eats 5 bones each day.  How many bones does he eat in 3 days?

5 - 5 - 5 

15 bones

400

The boy has 4 bins.  Each bin has 10 cars in it.  How many cars the boy have in all?

10 - 10 - 10 - 10

40 cars

500

2,003

2000+3

or

2000+000+00+3

500

9000+20+2

or

9000+000+20+2

9,022

500

There are 5 nests in a tree.  Each nest has 2 eggs in it.  How many eggs are there in all?

2 - 2 - 2 - 2 - 2

10 eggs

500

There are 5 vans going to the zoo.  Each van has 5 people in it.  How many people are going to the zoo in all?

5 - 5 - 5 - 5 - 5

25 people

500

There are 7 boys walking in flip flops.  How many toes are there in all?

10 - 10 - 10 - 10 - 10 - 10 - 10

70 toes

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