Solving problems with decimals using addition and subtraction
Solving problems with decimals using addition and subtraction
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Lesson details
Key learning points
- 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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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.
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6 Questions
Q1.
6.3 + 12.27
1.857
18.75
Q2.
2.89 - 1.41 =
0.148
14.8
Q3.
7.3 + 7.2 =
1.45
5.14
Q4.
2.671 + 5.999
8.761
86.71
Q5.
4.53 - 4.49
0.004
0.4
Q6.
1.82 + 4.08
5.09
5.91
6 Questions
Q1.
Sofia is 134.7cm tall. Her sister is 107.4cm tall. How much taller is Sofia than her sister?
134.7 + 107.4
134.7 x 107.4
Q2.
How much taller is Sofia than her sister?
14,466.78cm
242.1cm
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
49.50 + 29.50
Q4.
How much did Grandad's present cost?
£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
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?
22.1°C
25.5°C