Part 1: Place Value and Number Sense

Show your working where needed. Remember that each place to the left is 10 times greater.

Whole number: 4,306,219

Millions: ______    Hundred-thousands: ______    Ten-thousands: ______    Thousands: ______    Hundreds: ______    Tens: ______    Ones: ______

Decimal: 58.407

Tens: ______    Ones: ______    Tenths: ______    Hundredths: ______    Thousandths: ______

a) 6.35 = ____________________

b) 42.708 = ____________________

c) 5,281,460 = ____________________

a) 7.306 = ________________________________________________

b) 4,052.18 = ______________________________________________

a) 3.5 ______ 3.50

b) 0.608 ______ 0.68

c) 12.04 ______ 12.4

__________________________________________________________________

Part 2: Multiplying, Dividing and Applying Place Value

a) 4.7 × 10 = ________

b) 0.83 × 100 = ________

c) 6,205 ÷ 1,000 = ________

d) 39.6 ÷ 10 = ________

e) 0.407 × 1,000 = ________

f) 8,400 ÷ 100 = ________

Answer Key

1. Whole number: Millions 4, hundred-thousands 3, ten-thousands 0, thousands 6, hundreds 2, tens 1, ones 9. Decimal: Tens 5, ones 8, tenths 4, hundredths 0, thousandths 7.

2. a) 0.3   b) 0.7   c) 200,000

3. a) 7 + 0.3 + 0.006   b) 4,000 + 50 + 2 + 0.1 + 0.08

4. a) =   b) <   c) <

5. 2.09, 2.099, 2.19, 2.9

6. a) 47   b) 83   c) 6.205   d) 3.96   e) 407   f) 84

7. 36 kilometres

8. 0.0075 kilograms

9. $0.64. Each digit moves one place to the right when dividing by 10.

10. Possible answers include 4.57, 4.571, or 4.579. The number is greater than 4.5, less than 4.6, and has 7 in the hundredths place.