Calculating with fractions and decimals
5 The times of 4 people in a relay race are:
Runner 1 12.8 Runner 2 12.9 Runner 3 13.2 Runner 4 13.0
Gold prize: Less than 50 seconds Silver prize: Less than 52 seconds Bronze prize: Less than 54 seconds
Work out the total time for the team. What prize does the team win?
E
Can you work out what these sequences increase or decrease by each time?
4.0
1.8
2.1
2.4
6.4
5.2
6.4
9.7
8.3
6.9
You can count on in decimals using a calculator. Step 1: Type in your starting number.
Step 2: Press the + button and the decimal number you want to count on by. Step 3: Press the = button. The answer is displayed. Keep pressing the = button. What do you notice?
171
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28/04/2022 12:13
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