In this lesson, we will solve addition and subtraction problems with decimals and generate our own word problems to suit equations. We will develop our understanding of decimal problem-solving through bar models and a variety of real life contexts.
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Sofia is 134.7cm tall. Her sister is 107.4cm tall. How much taller is Sofia than her sister?
Correct answer: 134.7 - 107.4
134.7 - 107.4
134.7 + 107.4
134.7 x 107.4
Q2.
How much taller is Sofia than her sister?
14,466.78cm
242.1cm
Correct answer: 27.3cm
27.3cm
Q3.
It is Grandad’s birthday soon and he wants to hire a sports car for his present. A sports car costs £49.50 initial payment then £29.50 per hour. Grandad is bought 4 hour's hire. How much did Grandad’s present cost?
49.50 - 29.50
Correct answer: 49.50 + (29.50 x 4)
49.50 + (29.50 x 4)
49.50 + 29.50
Q4.
How much did Grandad's present cost?
Correct answer: £167.50
£167.50
£20.00
£79.00
Q5.
To visit his grandmother, Zaid takes a train 6.37 km and a car 5.45 km. How many kilometres is his journey in total?
11.72km
Correct answer: 11.82 km
11.82 km
12.82km
Q6.
The temperature in the classroom was 21.8 °C. Claire 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
Lesson appears in
UnitMaths / Calculating with whole numbers and decimals
