Test 2

Multiply 0.09 by 20.

• 0.18

• 0.9

• 1.8

• 18

Answer explanation

To multiply 0.09 by 20, simply multiply the two numbers: 0.09 * 20 = 1.8. Therefore, the correct answer is 1.8.

Multiply 14.73 by 6000.

• 88.38

• 883.8

• 8838

• 88 380

Answer explanation

To multiply 14.73 by 6000, simply multiply the two numbers together. 14.73 * 6000 = 88.38. Therefore, the correct answer is 88.38.

Divide 23.04 by 30.

• 691.2

• 69.12

• 7.68

• 0.768

Answer explanation

To divide 23.04 by 30, simply perform the division: 23.04 / 30 = 0.768. Therefore, the correct answer is 0.768.

Divide 9992 by 8000.

• 1.249

• 12.49

• 124.9

• 1249

Answer explanation

To divide 9992 by 8000, simply perform the division: 9992 / 8000 = 1.249. Therefore, the correct answer is 1.249.

Express 5.048 km in kilometres and metres.

• 5 km 48 m

• 5 km 480 m

• 50 km 48 m

• 50 km 480 m

Express 8010 ml in litres.

• 0.801 l

• 8.001 l

• 8.01 l

• 8.1 l

Tim had $50. He bought 20 pencils at $0.40 each and 30 pens at $0.60 each.

How much did Tim spend altogether?

Answer explanation

To find the total amount spent, multiply the price of each pencil by the quantity, then do the same for pens. Add both results together. $0.40 * 20 + $0.60 * 30 = $8 + $18 = $26

Tim had $50. He bought 20 pencils at $0.40 each and 30 pens at $0.60 each.

How much money did he have left?

Answer explanation

Tim spent $8 on pencils (20 pencils * $0.40 each) and $18 on pens (30 pens * $0.60 each), totaling $26. Therefore, he had $50 - $26 = $24 left.

Mrs Jon had a piece of ribbon measuring 24.88 m long. She cut it into 40 equal pieces and used 30 pieces to make some flowers. (a) What was the length of each smaller piece of ribbon? (b) What was the total length of ribbon Mrs Jon used to make the flowers?

Answer explanation

(a) Each smaller piece of ribbon was 0.622 m long. (b) Mrs Jon used a total of 18.66 m of ribbon to make the flowers.