Number Skills Revision

Indices

100

5x5x5x5x5x5

5⁶

200

2³ x 2⁶

2⁹

300

(e³ x e³) /e⁶

e⁰ or 1

400

3p x 4p⁸ x p²

12p¹¹

500

6p⁴ x (p⁷)² x p

6p¹⁹

Fractions

100

Simplify the fraction: 9/27

1/3

200

The reciprocal of -3/5 is...

-5/3

300

Make the mixed number into an improper fraction: 4 2/5

22/5

400

5 x 3/4

15/4

500

What is 3/4 of 36?

27

Standard Form

100

What is 6 x 10² as a basic numeral?

600

200

What is 3.4 x 10³ as a basic numeral?

3400

300

Write 5 600 in standard form

5.6 x 10³

400

Write 0.0093 in standard form.

9.3 x 10^-3

500

Write 6 340 000 in standard form to 2 significant figures

6.3 x 10⁶

Significant Figures

100

Round 742 to the nearest hundred

700

200

Round 78 to 1 significant figure

80

300

Round 7 378 283 to 1 significant figure

7 000 000

400

Round 0.000755 to 2 significant figures

0.00076

500

Round 0.000704 to 2 significant figures

0.00070

Mixed

100

6⁰ is the same as...

1

200

What is 5 x 10⁴ as a basic numeral?

50 000

300

5p⁰

5

400

1/2 x 7/3

7/6

500

(3j² x 2j⁸) / (3j⁵ x j⁴)

2j