Year 5 Fractions Lesson 1 Mastery Specilaists Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Look at the calculations. What do you notice? Which ones are hard to solve? Why? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

We can only add together items that are the same type of unit. This is difficult to answer accurately because they are different units. We can only add together items that are the same type of unit. Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

I can add fractions with the same denominator. Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

John has of a bar of chocolate and Jane has of a bar of chocolate. How much chocolate do they have altogether? Use paper strips to find the solution. Can you explain what you have done? Can you show a calculation? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

+ = 3 eighths + 6 eighths = 9 eighths When the denominators are the same, we can add the numerators. 3 eighths + 6 eighths = 9 eighths + = What do you notice about the numerator in the answer? What do you notice about the denominator? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

True or False? Simon says that + = Is Simon correct? Why? fifths + fifths = fifths Simon has eight fifths in total. Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Calculate + Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Application Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

What’s the calculation? Can you think of a number story to go with this calculation? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

What’s the calculation? Can you think of a number story to go with this calculation? + + = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

What’s the calculation? What fraction is the number line counting in? How do you know? What calculation is being shown? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

What’s the calculation? + + + = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

+ = How many different ways can you find to solve the calculation? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

I can subtract fractions with the same denominator. Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Can you use paper strips to solve the following calculation? - = Is there more than one way of solving this calculation using paper strips? If you find one way, can you find another? Can you draw a picture? Can you explain how to do this? Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

X X X - = Simon uses one paper strip. He shades and then crosses out Method 1 Simon uses one paper strip. He shades and then crosses out His answer is . X X X - = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Method 2 Sarah uses two paper strips. She shades on one strip. She shades on the other strip. She finds the difference between the two. Her answer is . Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

- = and Find the difference between Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

X X X X X X X X Subtract from - = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Application - = - = - = What’s the same? What’s different? - = What’s the same? What’s different? - = - = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

+ = - = + = Match the calculation to the image. How do you know? + = - = + = Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith

Amy Stokell, Natalie Ruddell, Valda Varadinek-Skelton, Vicky Smith