place value

SECTION 1

Can you write the value of the underlined digit?

36 - 6 = 30

63 - = 57

629 -  9 = 610

904 - 9 = 896

12  - 1 = 11  

907 -  - 7 = 90  

1990   -  1 = 1989

3842 - 3 = 3839

SECTION 2

Write these words in numbers.

1. Three hundred and two

            302

2. Eight hundred and sixty three

         863

3. One thousand

    1000

4. Nine hundred

        900

5. Seventy seven

        77

6. One thousand two hundred and one

         1000, 2100

7. Two thousand four hundred and fifty seven

        2000,457

SECTION 3

Add ten to these numbers:

1. 345 -  10 = 335
2. 283 -  10 = 293
3. 23 - 10 = 13
4. 9 - 10 = 1
5. 672 - 10 = 662

Add one hundred to each of these numbers:

1. 243 - 100 = 143
2. 74 - 100 = 23
3. 188 - 100 = 88
4. 765  - 100 = 665
5. 12 - 100 = 88