1~5
6~10
addition
subtraction
in English
100

5

f _ v _ 

i, e

100

6

s _ _

ix

100

3 + 5 =

8

100

10 - 7 = 

3

100

four + six = 

ten

200

2: 

_ _ o

tw

200

9

n i _ _

ne

200

1 + 3 =

4

200

6 - 3 =

3

200

seven - two =

five

300

4

f _ _ r

ou

300

10

t  _ _

en

300

4 + 3 =

7

300

8 - 2 = 

6

300

one + six =

seven

400

1

o _ _

ne

400

7

s e _ _ _

ven

400

2 + 8 =

10

400

9 - 4 =

5

400

three + six = 

nine

500

3

_ _ _ ee

thr

500

8

_ _ _ _ t

eigh

500

2 + 7 =

9

500

7 - 7 =

0

500

eight - four = 

four