Year 4 Autumn Block 2 Addition and Subtraction
Year 4 – Autumn Block 2 – Addition and Subtraction – Add two 4 -digit Numbers 1 About This Resource: This Power. Point has been designed to support your teaching of this small step. It includes a starter activity and an example of each question from the Varied Fluency and Reasoning and Problem Solving resources also provided in this pack. You can choose to work through all examples provided or a selection of them depending on the needs of your class. National Curriculum Objectives: Mathematics Year 4: (4 C 2) Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate More resources which follow the same small steps as White Rose. Did you like this resource? Don’t forget to review it on our website. © Classroom Secrets Limited 2018
Year 4 – Autumn Block 2 – Addition and Subtraction Step 2: Add two 4 -digit Numbers 1 © Classroom Secrets Limited 2018
Introduction What number is represented below? Thousands Hundreds 100 1, 000 Tens 1 10 100 1, 000 10 10 100 Add one counter to any column. What number is represented now? © Classroom Secrets Limited 2018 Ones
Introduction What number is represented below? 2, 431 Thousands Hundreds 100 1, 000 Tens 1 10 100 1, 000 100 Ones 10 10 100 Add one counter to any column. What number is represented now? Depending on which column the counter is added to: 3, 431, 2, 531, 2, 441, or 2, 432 © Classroom Secrets Limited 2018
Varied Fluency 1 What number is represented by the place value counters below? Thousands Hundreds 100 1, 000 100 © Classroom Secrets Limited 2018 Ones 10 10 10 1, 000 Tens 1, 000 100 1 1
Varied Fluency 1 What number is represented by the place value counters below? Thousands Hundreds 100 1, 000 10 10 10 1, 000 100 10 10 10 4, 592 © Classroom Secrets Limited 2018 Ones 1, 000 Tens 1 1
Varied Fluency 2 What number is missing from the calculation? + © Classroom Secrets Limited 2018 3 2 5 2 4 3 1 5 6
Varied Fluency 2 What number is missing from the calculation? + © Classroom Secrets Limited 2018 3 2 2 5 2 4 3 1 5 6
Varied Fluency 3 Complete the calculation. + © Classroom Secrets Limited 2018 7 1 5 3 1 7 0 4
Varied Fluency 3 Complete the calculation. + © Classroom Secrets Limited 2018 7 1 5 3 1 7 0 4 8 8 5 7
Varied Fluency 4 Complete the bar model. ? 3, 452 © Classroom Secrets Limited 2018 2, 337
Varied Fluency 4 Complete the bar model. 5, 789 3, 452 © Classroom Secrets Limited 2018 2, 337
Problem Solving 1 Find 3 different number sentences to complete this calculation. 5 5 0 8 4 + 8 © Classroom Secrets Limited 2018 7
Problem Solving 1 Find 3 different number sentences to complete this calculation. + 5 5 0 3 3 4 8 7 Various answers, for example: 5, 150 + 3, 634; 5, 250 + 3, 534; 5, 350 + 3, 434. © Classroom Secrets Limited 2018
Problem Solving 2 Use the digit cards below to create a bar model adding two 4 -digit numbers. You can use the digit cards multiple times. 1 3 2, 432 © Classroom Secrets Limited 2018 4 5 7
Problem Solving 2 Use the digit cards below to create a bar model adding two 4 -digit numbers. You can use the digit cards multiple times. 1 3 4 5 7 2, 432 Various answers, for example: 2, 432 + 1, 345 = 3, 777 © Classroom Secrets Limited 2018
Reasoning 1 Has Lia made a mistake in the calculation below? 3, 421 + 3, 218 = 6, 649 Prove it. © Classroom Secrets Limited 2018
Reasoning 1 Has Lia made a mistake in the calculation below? 3, 421 + 3, 218 = 6, 649 Prove it. Yes, Lia has made a mistake because… © Classroom Secrets Limited 2018
Reasoning 1 Has Lia made a mistake in the calculation below? 3, 421 + 3, 218 = 6, 649 Prove it. Yes, Lia has made a mistake because she has added too many tens. The answer should be 6, 639. © Classroom Secrets Limited 2018
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