Converting Units Monday 29 th June Converting Units

Converting Units Monday 29 th June

Converting Units What units of measure do we tend to use when we measure how much things weigh?

Converting Units What units of measure do we tend to use when we measure how much things weigh? Grams or Kilograms

1000 1

2000 2

3000 3

Write three more versions of this sentence stem.

0. 5 2000 2500 4500 _____g in kilograms is ____kg.

Let’s use a bar model to help us to convert grams into kilograms… 1000 g 4 kg = 4000 g 1000 g

Now complete questions 1 - 4 on the worksheet

Do you prefer the bar or line method of working? Here we can see both methods of working out how many grams are in 12 kg 1000 g 1 kg 1000 g X 12 1000 g 1000 g 12 kg kg g 1000 g X 12 12, 000 g 12 kg = 12, 000 g

Converting Units What units of measure do we tend to use to measure distance?

Converting Units What units of measure do we tend to use when we measure how much things weigh? Metres or Kilometres

Complete the stem sentence: There are _____ metres in _____ kilometres.

Complete the stem sentence: 1000 metres in _____ 1 There are _____ kilometres. What do you notice?

Converting Units The conversion of grams to kilograms is the same as the conversion from meters to kilometres.

Converting Units Kilo= thousand

Converting Units Problem Solving To solve the problem you first need to convert to the same units.

Converting Units Problem Solving Potatoes: 78 p per kg converts to 78 p per 1000 g= 78 p 500 g= 39 p So 2500 g= 78 p + 39 p= 195 p or £ 1. 95 Carrots: £ 1. 46 per kg converts to £ 1. 46 per 1000 g= 146 p So 2000 g= 146 p + 146 p= 292 p or £ 2. 92

Now complete questions 5 -10 on the worksheet. Then check your answers!