Use place value knowledge to write addition and subtraction equations
Lesson details
Learning outcome
I can use place value knowledge to write addition and subtraction equations.
Key learning points
- The language of unitising helps us to use number facts to add and subtract multiples of 10.
- The language of unitising helps us to use number facts to add and subtract multiples of 100.
- Place value equipment supports explanation of the addition and subtraction equations.
Keywords
Part - A piece or section of the whole.
Whole - All of a group or number.
Bar model - A way to represent a problem involving parts and whole.
Common misconception
Identifying the parts and wholes in a problem or given context.
Use the stem sentences and representations of part-part-whole and bar models to support pupils in identifying the parts and whole.
Teacher tip
Make use of manipulatives such as base ten equipment or counters to support the recording of the parts and wholes in stem sentences, bar and part-part-whole models before recording using equations.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Express this representation as a number of tens. tens
Q2.Match the number of tens to the correct 3-digit number.
130
180
140
190
100
Q3.160 = 100 + .
Q4.Which equation would make this statement correct? 140 <
Q5.What number is missing from the bar model?
Q6.Sort the values from largest to smallest.
Assessment exit quiz
6 Questions
Q1.Complete the sentence. Part + part = .
Q2.In a bar model, to find the whole we add the .
Q3.Match the numbers and representations.
100 + 70
10 tens and 5 tens
100 + 30
10 tens and 6 tens
10 tens and 2 tens
Q4.Use this bar model. Which subtraction calculations are correct?
Q5.How can you calculate the missing part?
Q6.Sophie rolled a ball that rolled for 100 centimetres. Jacob's ball rolled 40 centimetres further. How many centimetres did Jacob's ball roll? cm.
To help you plan your 3 maths lesson on: Use place value knowledge to write addition and subtraction equations, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your 3 maths lesson on: Use place value knowledge to write addition and subtraction equations, 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 Securing place value to 100 and applying to addition and subtraction unit, dive into the full primary maths curriculum, or learn more about lesson planning.