In this lesson, we will solve problems with decimals through bar models in a variety of real life contexts, converting units of measurement where appropriate.
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To visit his grandmother, Leon takes a train 6.37 km and a car 5.45 km. How many kilometres is his journey in total?
11.72 km
Correct answer: 11.82 km
11.82 km
12.82 km
Q2.
Micah's sports car can travel at 196.7 mph. How far can he travel in 3 hours?
488.1 mph
587.2 mph
Correct answer: 590.1 mph
590.1 mph
Q3.
The temperature in the classroom was 21.8 °C. Sofia left the door open and the temperature dropped by 3.7 °C. What was the temperature now?
Correct answer: 18.1°C
18.1°C
22.1°C
25.5°C
Q4.
Sarah was 88.49 cm tall when she was 3 years old. By the time she was 18, Sarah had grown a further 83.91 cm. How tall was she when she was 18?
163.4cm
Correct answer: 172.4cm
172.4cm
179.4cm
Q5.
Long-haired Lucy decided it was time for a new haircut. She went to the hairdressers with hair 74.2 cm long. When she left it was 21.6 cm long. How much had the hairdressers taken off?
33.4 cm
Correct answer: 52.6 cm
52.6 cm
95.8 cm
Lesson appears in
UnitMaths / Calculating with whole numbers and decimals
