Adding with decimal fractions. - PowerPoint PPT Presentation

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Adding with decimal fractions. I am learning to add with 1 decimal place fractions. Questions like 3.7 + 2 .5 = ? Craig has 1 whole chocolate bar and 4 tenths of a ... – PowerPoint PPT presentation

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1
I am learning to add with 1 decimal place
fractions.
Questions like 3.7 2 .5 ?
2
Craig has 1 whole chocolate bar and 4 tenths of a
chocolate bar. In another room he has 2 chocolate
bars and 8 tenths.
Step 1 Imagine the two amounts.
Step 2 Join the tenths together.
chocolate
chocolate
chocolate
You can see that there are now 4 whole chocolate
bars and 2 tenths.
4.2
1.4 2.8
3
Dan has 3 whole chocolate bar and 9 tenths in one
room and 6 tenths of a chocolate bar in another
room.
Step 1 Imagine the two amounts.
Step 2 Join the tenths together.
chocolate
chocolate
chocolate
You can see that there are now 4 whole chocolate
bars and 5 tenths.
4.5
3.9 0.6
4
Now try these questions on your own. You may need
Click again when you have completed each question
and the answer will be displayed.
1. 3.7 2.6 ?
2. 4.5 1.7 ?
3. 0.6 0.8 ?
4. 3.5 3.9 ?
5. 2.8 1.9 ?

6.3
6.2
1.4
7.4
4.7
Need some more practise? Try Teacher Tools
Addition and Subtraction Book or Fractions,
Decimals and Percentages Book Numeracy resources