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Maths | Year 4 | Fractions | Add and Subtract Fractions | Lesson 1 of 2: Adding Fractions
Maths Fractions Maths | Year 4 | Fractions | Add and Subtract - - PowerPoint PPT Presentation
Maths Fractions Maths | Year 4 | Fractions | Add and Subtract - - PowerPoint PPT Presentation
Maths Fractions Maths | Year 4 | Fractions | Add and Subtract Fractions | Lesson 1 of 2: Adding Fractions Adding Fractions Aim I can add fractions with the same denominator. Success Criteria I can use a fraction bar to represent a
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Success Criteria Aim
- I can add fractions with the same denominator.
- I can use a fraction bar to represent a fraction.
- I can show two fractions on a fraction bar.
- I can use a fraction bar to find the total of two fractions.
- I can use a fraction number line to find the total of two fractions.
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Fraction Count
1
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Fraction Wall
On your fraction wall, show …
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Fraction Wall
On your fraction wall, colour in . On your fraction wall, mark another with lines. How many sixths have been coloured in altogether?
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Fraction Wall
On your fraction wall, colour in . On your fraction wall, mark another with lines. How many twelfths have been coloured in altogether?
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Fraction Wall
On your fraction wall, colour in . On your fraction wall, mark another with lines. How many tenths have been coloured in altogether? On your fraction wall, mark another with dots.
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Fraction Bars
How could this bar be used to show ? The bar needs to be split into 5 equal sections to represent fifths. 2 of the 5 sections need to be coloured in to represent the 2 fifths. Draw fraction bars to show each of these fractions:
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Fraction Bars
Draw fraction bars to solve each of these calculations: Add so that your fraction bar shows + . so + = . Draw a fraction bar to represent .
What do you notice about the numerators and denominators when you add the fractions?
- r 1
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Beyond the Whole
Solve these calculations:
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Using Fraction Number Lines
Fraction number lines can also be used to add fractions with the same denominator.
4 3
3 3 1
3
3 2
3
4 2 2 1
3
2 2
3
1 1
3
1 2
3
= 5 3 + 2 3
5 3 6 3 7 3 8 3 9 3 12 3 11 3 10 3
7 3
- r 2 1
3
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Using Fraction Number Lines
Use the number line to solve this calculation.
4 3
3 3 1
3
3 2
3
4 2 2 1
3
2 2
3
1 1
3
1 2
3
= 6 3 + 4 3
5 3 6 3 7 3 8 3 9 3 12 3 11 3 10 3
11 3
- r 3 2
3
+ 1 3
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Adding Fractions
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Dive in by completing your own activity!
Diving into Mastery
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The Total Is…
Start Start
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Success Criteria Aim
- I can add fractions with the same denominator.
- I can use a fraction bar to represent a fraction.
- I can show two fractions on a fraction bar.
- I can use a fraction bar to find the total of two fractions.
- I can use a fraction number line to find the total of two fractions.
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