### Topic 1.2: The Decimal Number System and Place Value (Decimal Numbers)

Note: If the answer is a fraction (e.g., ), please write your answer using a forward slash (e.g., 6/1 000).

## Understanding Numbers - Quiz

1. Write the word numeral for 16 408 290.037

2. Write in words, the number that is represented by:
30 000 000 + 4 000 000 + 200 000 + 80 000 + 1 000 + 900 + + + 3. Write the digit numeral for “Two trillion, three hundred and eighty five billion, four hundred and two million, two hundred thousand, five hundred and ninety eight, point seven zero one”

4. (8 x 1 000 000) + (6 x 100 000) + (4 x 1 000) + (4 x 10) + (7 x 1) + (3 x ) + (8 x )  =

5. Write 35 600.401 in two other ways:

a) Words:

b) Expanded form:

6. What is the Total Value of each of the green coloured numbers:

a) 25 773.244

b) 35 734.609

c) 18.825 973

d) 402 671 385.292 331

7. Fill in the missing numbers:

a) a) 934.356 = (9 x 100) + ( ) + (4 x ) + (3 x ) + (5 x ) + (6 x )

b) b) 6 000 000 + 0.4 + 0.000 3 =

c) (7 x 100 000 000) + (4 x 100 000) + (6 x 10) + (3 x 1/1 000) =

8. Write the answer to 7b) in words: