Introduction What increments are each of these scales

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Introduction What increments are each of these scales going up in? 35 70 14

Introduction What increments are each of these scales going up in? 35 70 14 20 8 5 10 0 © Classroom Secrets Limited 2018 2 0 0

Introduction What increments are each of these scales going up in? 35 70 14

Introduction What increments are each of these scales going up in? 35 70 14 30 60 12 25 50 10 20 40 8 15 30 6 10 20 4 5 10 2 0 Steps of 5 © Classroom Secrets Limited 2018 0 Steps of 10 0 Steps of 2

Varied Fluency 1 A teaspoon holds 5 ml. A jam jar holds 80 ml.

Varied Fluency 1 A teaspoon holds 5 ml. A jam jar holds 80 ml. How many teaspoons would it take to fill a jam jar? © Classroom Secrets Limited 2018

Varied Fluency 1 A teaspoon holds 5 ml. A jam jar holds 80 ml.

Varied Fluency 1 A teaspoon holds 5 ml. A jam jar holds 80 ml. How many teaspoons would it take to fill a jam jar? 5 ml x 16 = 80 ml It will take 16 teaspoons to fill a jam jar. © Classroom Secrets Limited 2018

Varied Fluency 2 Colour the container to show 100 ml of liquid. © Classroom

Varied Fluency 2 Colour the container to show 100 ml of liquid. © Classroom Secrets Limited 2018

Varied Fluency 2 Colour the container to show 100 ml of liquid. © Classroom

Varied Fluency 2 Colour the container to show 100 ml of liquid. © Classroom Secrets Limited 2018

Varied Fluency 3 Which of these contains the most liquid? © Classroom Secrets Limited

Varied Fluency 3 Which of these contains the most liquid? © Classroom Secrets Limited 2018

Varied Fluency 3 Which of these contains the most liquid? © Classroom Secrets Limited

Varied Fluency 3 Which of these contains the most liquid? © Classroom Secrets Limited 2018

Varied Fluency 4 How much more liquid would be needed to fill this container?

Varied Fluency 4 How much more liquid would be needed to fill this container? © Classroom Secrets Limited 2018

Varied Fluency 4 How much more liquid would be needed to fill this container?

Varied Fluency 4 How much more liquid would be needed to fill this container? 70 ml – 50 ml = 20 ml is needed. © Classroom Secrets Limited 2018

Problem Solving 1 A vessel holds 10 ml. Three vessels will not fill this

Problem Solving 1 A vessel holds 10 ml. Three vessels will not fill this bottle but five will be too much. What could the capacity of the bottle be? © Classroom Secrets Limited 2018

Problem Solving 1 A vessel holds 10 ml. Three vessels will not fill this

Problem Solving 1 A vessel holds 10 ml. Three vessels will not fill this bottle but five will be too much. What could the capacity of the bottle be? Between 31 and 49 ml. © Classroom Secrets Limited 2018

Problem Solving 2 Bottle A contains 82 ml of liquid. Bottle B is empty.

Problem Solving 2 Bottle A contains 82 ml of liquid. Bottle B is empty. B A If 44 ml is poured from bottle A into bottle B, which bottle has the greatest volume? © Classroom Secrets Limited 2018

Problem Solving 2 Bottle A contains 82 ml of liquid. Bottle B is empty.

Problem Solving 2 Bottle A contains 82 ml of liquid. Bottle B is empty. B A If 44 ml is poured from bottle A into bottle B, which bottle has the greatest volume? A has 38 ml (82 ml – 44 ml). B has 44 ml. Therefore, B has the greatest volume. © Classroom Secrets Limited 2018

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured into vessels A and B? Prove it. © Classroom Secrets Limited 2018

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured into vessels A and B? Prove it. Yes because… © Classroom Secrets Limited 2018

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured

Reasoning 1 The bottle contains 98 ml. Could all of the liquid be poured into vessels A and B? Prove it. Yes because 70 ml + 30 ml = 100 ml. This is enough capacity for 98 ml. © Classroom Secrets Limited 2018