Myths about teaching can hold you back
- Year 2
Use near doubles within 10
I can use near doubles within 10.
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Lesson details
Key learning points
- We can use double facts to solve near-double calculations.
- We can double the smaller addend and add 1 If 4 + 4 = 8, then 4 + 5 is one more than 8, which is 9
- We can double the larger addend and subtract 1 If 5 + 5 = 10, then 4 + 5 is one less than 10, which is 9
Keywords
Double/ Doubling - To become twice as many.
Near-double - A near-double is a number close to a double.
Common misconception
Children could try to apply this idea to other near-double facts that may be more easily solved using other strategies.
0 + 1 and 1 + 2 are near-doubles, but these are more easily solved using the 'one more'/ 'one less' strategy. Explore this together before leading children to the most efficient strategy for calculating.
To help you plan your year 2 maths lesson on: Use near doubles within 10, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Use near doubles within 10, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 1 maths lessons from the Secure fluency of addition and subtraction facts within 10 unit, dive into the full primary maths curriculum, or learn more about lesson planning.
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Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Which sentence describes what the bar model is representing?
Q2.What is being shown on this number frame?
Q3.Half of 8 is 3 True or False?
Q4.What halving equation is represented by the bar model?
Q5.Tick all the correct statements.
Q6.There were 6 birds in the tree. Half of them flew away. How many birds flew away?
Assessment exit quiz
6 Questions
Q1.Complete the sentence. If double 4 is 8, then 4 + 5 is one __________
Q2.Which sentence describes the representations.
Q3.Which sentence describes the representations?
Q4.Which double facts could help to solve 3 + 4 = ?
Q5.Whose sum is 3?
