Year One Mathematics | Year 5 | Number | Add and Subtract Fractions | Adding Fractions | Lesson 1 of 4 Mathematics Number
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Success Criteria Aim To add fractions with the same denominator. I can use a fraction wall or diagram to show the fractions.
I can add the numerators of two different fractions with the same denominator to find the total.
Pizza How many slices of pizza does Amelia have? How many slices of pizza does Kamil have? How many slices do they have altogether?
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Pizza How many slices do they have altogether? 3 slices + 2 slices = 5 slices
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Pizza How many slices of pizza does Amelia have? How many slices of pizza does Kamil have? What fraction of a pizza do they have altogether? 3
6 2
6 How would the calculation change if we used fractions instead of slices?
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Pizza What fraction of a pizza do they have altogether? + = 3
6 2
6 5
6
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4 3 2 Pizza Fractions What fraction of pizza does each calculation show? + = 1
4 2
4 3
4 1 + = 2
8 5
8 7
8 + = 1
3 1
3 2
3 + = 3
10 4
10 7
10 Why do we only add the numerators and not the denominators? + = + = + = + =
And the Question Is… Complete the fractions to make the answer correct: + =
6
6 1 How many different ways can you solve this problem? How do you know you have found them all?
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And the Question Is… Complete the fractions to make the answer correct: + =
10
10 1 How many different ways can you solve this problem? How do you know you have found them all?
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Success Criteria Aim To add fractions with the same denominator. I can use a fraction wall or diagram to show the fractions.
I can add the numerators of two different fractions with the same denominator to find the total.