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Year 3Addition & Subtraction

Year 3: Addition and Subtraction: Lesson 23 – Estimate Answers

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The objective it teaches

Estimate the answer to a calculation and use inverse operations to check answers

About this resource

Year 3: Addition and Subtraction: Lesson 23 - Estimate Answers Planning Differentiated Worksheets Differentiated Reasoning Tasks

What you get, 4 files

PDFPlanningThe small step plan, key questions and misconceptions.
PDFTeaching slidesReady to put on the board.
PDFWorksheetsA sheet for each of the three levels in this pack, with the stars in the header.
ZIPThe whole packEvery file in this resource, in one download.

This pack is listed as editable, so the editable copy comes with it. We do not print page counts here, because our catalogue does not publish them and a guessed number is worse than none.

★★★ Differentiated three ways

Working towardsScaffolded, with the model or the bar already drawn.
Working withinThe expected standard for the year group.
Greater depthReasoning and explaining, not just more of the same.

Our own system, with the star count repeated in every worksheet header so a child can be handed the right sheet without a word.

The rest of this block

Addition & Subtraction, Year 325 numbered lessons

Lesson 21Year 3: Addition and Subtraction: Lesson 21 – Subtract 3-digits from 3-digits (1)
Lesson 22Year 3: Addition and Subtraction: Lesson 22 – Subtract 3-digits from 3-digits (2)
Lesson 23 · you are hereYear 3: Addition and Subtraction: Lesson 23 – Estimate Answers
Lesson 24Year 3: Addition and Subtraction: Lesson 24 – Estimate Answers
Lesson 25Year 3: Addition and Subtraction: Lesson 25 – Check Answers

The step beforeYear 3: Addition and Subtraction: Lesson 22 – Subtract 3-digits from 3-digits (2)The step afterYear 3: Addition and Subtraction: Lesson 24 – Estimate Answers The full Year 3 scheme →

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Editable resourcesOpens in PowerPoint so you can edit to suit your class White Rose supportingFollows the small steps you already plan from Key eventsSeasonal and cultural resources for the moments in the school year Reasoning Maths HubReasoning and problem solving, by year group

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