- Year 6
Solve addition calculations mentally by using known facts in a range of contexts
I can solve addition calculations mentally by using known facts in a range of contexts.
- Year 6
Solve addition calculations mentally by using known facts in a range of contexts
I can solve addition calculations mentally by using known facts in a range of contexts.
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Lesson details
Key learning points
- If I increase this part by __ then the whole will increase by the same amount.
- If I decrease this part by __ then the whole will decrease by the same amount.
- A balance beam can represent unequal expressions or inequalities.
Keywords
Whole - The whole is all the parts or everything, the total amount.
Part - A part is a piece or section of the whole.
Adjustment - An adjustment is a change to a number using either subtraction or addition.
Capacity - Capacity is the amount that something can hold.
Common misconception
Pupils may be very quick to try and use a written method such as columns here, particularly as the numbers get larger.
Encourage the children to refrain and reward them taking risks and avoiding using written methods as much as possible. Prove to them that it's quicker to do it in your head or with jottings by racing your fastest 'columns ' exponent!
To help you plan your year 6 maths lesson on: Solve addition calculations mentally by using known facts in a range of contexts, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 6 maths lesson on: Solve addition calculations mentally by using known facts in a range of contexts, 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 2 maths lessons from the Use equivalence and compensation to simplify and solve addition calculations 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.Tick the equivalent expressions
Q2.Tick the two numbers that are complements to 1,000
Q3.Tick the two numbers that are decimal complements to 10
Q4.What is the missing number in this equation? 89 + = 150
Q5.What is the missing number in this equation?
15 + 25 + = 70
Q6.What is the missing number in this equation?
55 + 12 + = 80 + 14
Assessment exit quiz
6 Questions
Q1.Which of the following describes capacity?
Q2.Without using a written method, calculate the cost of a slice of cake and a cupcake based on the prices shown. Total cost is £
Q3.Without using a written method, calculate the cost of a full cake and a slice based on the prices shown. Remember to use the correct notation for money.
Q4.Without using a written method, calculate the cost of a full cake and a cupcake based on the prices shown. Remember to use the correct notation for money.
Q5.What’s the missing total in the table? Use the first row to help. Remember to use correct notation for money.
Q6.A popstar has a concert. What was the combined attendance for Paris and Berlin? Use the information in the table.
