Math Facts Flashcard 7

Front

Back

Front

Back

4096

Front

Back

0.03

Front

Write 506 423 correct to 3 significant figures.

Back

506 000

Front

Back

0.00926

Front

Back

24.4

Front

Back

31.25%

Front

A map is drawn to a scale 1 cm to 2 km.

The distance between two stations 15 km.

What is the distance in centimetres on the map?

Back

7.5 cm

Answer explanation

1 cm : 2 km

? cm : 15 km

Actual

2 km x 7.5 = 15 km

So, on map 1 cm x 7.5 = 7.5 c

Front

Ben earns $5000 per month.

Jon earns $7500 per month.

Write the ratio of Ben's to Jon's earnings in its simplest form.

Back

2:3

Answer explanation

5000 : 7500

50 : 75

2 : 3

Front

Calculate 150% of 130.

Back

195