Use efficient strategies to multiply numbers, including decimals

Use efficient strategies to multiply numbers, including decimals

Lesson details

Key learning points

  1. In this lesson, we will evaluate what strategies are most efficient for various multiplication problems.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

Loading...

5 Questions

Q1.
If I know 7 x 5 = 35, what is 70 x 50?
350
Correct answer: 3500
35000
Q2.
If I know 8 x 7 = 56, what is 0.8 x 70?
0.56
5.6
Correct answer: 56
560
Q3.
In Mexico £1 is worth 25 Pesos. How many Pesos would you receive for £12?
200 Pesos
250 Pesos
Correct answer: 300 Pesos
350 Pesos
Q4.
In Brazil £1 is worth 6 Real. How much Real would you receive for £500?
30 Real
30,000 Real
300 Real
Correct answer: 3000 Real
Q5.
In Japan £1 is worth 150 Yen. How much Yen would you receive for £50?
5000 Yes
6500 Yen
7000 Yen
Correct answer: 7500 Yen

5 Questions

Q1.
What is 675 x 7?
4565
4710
Correct answer: 4725
4825
Q2.
What is 455 x 9?
3095
3595
Correct answer: 4095
4595
Q3.
Find the product of 4.5 and 16
108
Correct answer: 72
84
96
Q4.
Find the product of 6.25 and 24
100
125
Correct answer: 150
175
Q5.
Oak travel are giving out refreshments to their guests on their plane, each guest receives 0.75 litres of water. There are 105 guests. How much water will they need?
76.5L
77.25L
Correct answer: 78.75L
79.25L

Lesson appears in

UnitMaths / Multiplication and division