Adding decimals
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Lesson details
Key learning points
- In this lesson, we will use the formal written method to add decimal numbers and correct mistakes made with this method.
Licence
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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5 Questions
Q1.
Which known fact will help me answer 30 + 40 and 0.03 + 0.04?
13 + 4 = 17
3 x 4 = 12
4 - 3 = 1
Q2.
0.6 + 0.3 = ____
0.009
0.09
9
Q3.
If I know 4 + 5 = 9, then I know... (pick two)
0.4 + 0.09 =
0.5 x 0.4 =
Q4.
If I know 15 + 4 = 19, then I know... (pick two)
0.04 + 0.015 =
0.15 + 0.4 =
Q5.
What is 0.06 - 0.02?
0.004
0.4
4
5 Questions
Q1.
True or false: 0.160 + 7.820 = 7.98
False
Q2.
True or false: 8.180 + 9.160 = 17.34
False
Q3.
True or false: 0.160 + 7.820 = 7.92
True
Q4.
True or false: 1.830 + 0.487 = 2.317
False
Q5.
True or false: 2.900 + 0.139 = 3.39
True