Use a model to interpret a part-part-whole problem with three addends
I can use a model to interpret and represent a part-whole problem with three addends.
Use a model to interpret a part-part-whole problem with three addends
I can use a model to interpret and represent a part-whole problem with three addends.
These resources will be removed by end of Summer Term 2025.
Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.
These resources were created for remote use during the pandemic and are not designed for classroom teaching.
Lesson details
Key learning points
- Bar models represent additive problems with two addends.
- Bar models represent additive problems with three addends.
- Three addends relate to three parts of a whole.
Keywords
Represent - To represent something means to show something in a different way.
Addend - Addends are any numbers added together.
Common misconception
Pupils struggle to represent each problem with an accurate bar model.
You could continue to use number rods to represent each of the problems at first and then draw around these as a second scaffold, however, pupils do need to make the leap to representing as bar models for themselves.
To help you plan your year 6 maths lesson on: Use a model to interpret a part-part-whole problem with three addends, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 6 maths lesson on: Use a model to interpret a part-part-whole problem with three addends, 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 knowledge of part-part-whole structure to solve additive problems unit, dive into the full primary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
Loading...
Prior knowledge starter quiz
6 Questions
Q1.Calculate the missing whole in this bar model.
Q2.What is the unknown? Jacob watches television for 1 hour and 20 minutes. He watches the news, a cartoon and a wildlife show. The cartoon is 20 minutes long and the wildlife show is 50 minutes long.
Q3.Select the worded problem that requires addition to solve it.
Q4.Calculate using an efficient strategy. Lucas buys a cup of tea for £1.59 and a cookie for £1.99 How much does he spend? £
Q5.Complete the column addition to find the sum.
Q6.Complete the column subtraction to find the difference.
Assessment exit quiz
6 Questions
Q1.Which bar model correctly represents this problem? Aisha spent £45, Sofia spent £8 and Izzy spent £32 on different items. How much money did they spend altogether?
Q2.Use the bar model to answer the question. Aisha spent £45, Sofia spent £8 and Izzy spent £32 on different items. How much money did they spend altogether? £ altogether.
Q3.Izzy swam 1.5 km on Monday, 0.7 km on Tuesday and 1.1 km on Wednesday. How far did she swim in total? km
Q4.Which problems could be represented by this bar model?
Q5.The addends in this bar model represent the number of pieces in 3 jigsaw puzzles. How many jigsaw pieces are there in total? pieces
Q6.In the drawer of cubes, Sofia found 45 red cubes and the same number of green cubes. There were 105 cubes of other colours. How many cubes were there in total? cubes.
