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Addition - Subtraction - Decimals

The document contains a series of mathematical problems and exercises, including addition, subtraction, and bar model interpretations. It also includes a practical application involving budgeting and checking calculations for errors. Additionally, it presents a problem involving the determination of a larger number based on a given difference.

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Minh Chi
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25 views4 pages

Addition - Subtraction - Decimals

The document contains a series of mathematical problems and exercises, including addition, subtraction, and bar model interpretations. It also includes a practical application involving budgeting and checking calculations for errors. Additionally, it presents a problem involving the determination of a larger number based on a given difference.

Uploaded by

Minh Chi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1.

2 . 5 7 4 . 4 5
+ 0 . 0 7 1 . 9
+
0 . 0 8

3 2 . 8 9 . 0 7
- 3 . 6 - 5 . 6

2. Work out 6.483 + 5.94

3. Work out 4.032 – 0.314


4. Here is a bar model.

1.34 12.9

Work out the value of the missing bar.

Write down four relationships you can see in this bar model.

+ =

+ =

- =

- =
5. Here is another bar model.

5.24

Select two numbers to make the model correct.

6. Molly has £540.67 in the bank.


She buys her weekly shopping that costs £60.72

How much money does Molly have left in the bank?

Show how you can check your answer is correct using an inverse.
7. There are errors in the following calculations.
Find the errors and correct them.

Calculation Error Correction

4. 0 2
+ 3 5. 0 1
7 5. 2 1

5 3. 4 9
- 3. 7 8
5 0. 3 1

8. Two numbers have a difference of 3.28

The smaller number is 7.73


What is the value of the larger number?

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