Y1 Maths

Subtraction - Crossing 10 1 Lesson

This Year 1 Subtraction - Crossing 10 1 lesson covers the prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtracting within 20 and crossing 10.

The lesson starts with a prior learning worksheet to check pupils’ understanding. The interactive lesson slides recap the prior learning before moving on to the main skill. Children can then practise further by completing the activities and can extend their learning by completing an engaging extension task.

National Curriculum Objectives

Mathematics Year 1: (1C2b) Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs

Mathematics Year 1: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

Mathematics Year 1: (1C4) Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7=_________ 9

Get the most from lessons!

Classroom Secrets logo

Resources for teachers

Sign up for £6.25
Classroom Secrets Kids logo

Interactive activities for children

Start free trial

2 Teaching Support

Classroom Secrets logo

Subscription

Lesson Slides

Lesson Slides

These lesson slides guides pupils through the prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtraction - crossing 10 1. There are a number of questions to check pupils' understanding throughout.

PowerPoint from the old Resource Pack
Classroom Secrets logo

Subscription

Modelling PowerPoint

Modelling PowerPoint

This powerpoint can be used to model the questions that the children will complete on the Varied Fluency and Reasoning & Problem Solving worksheets as part of this lesson.

Classroom Secrets Kids logo

Subscription

Lesson Slides

Lesson Slides

These are the same as the lesson slides on Classroom Secrets. You can assign this as an activity for pupils to access individually in school or remotely from home.

Classroom Secrets Kids logo

Subscription

Video Tutorial

Video Tutorial

In this Subtraction Crossing 10 Video Tutorial, Katie shows children how to subtract a single-digit number from a two-digit number.

1 Prior Learning

Classroom Secrets logo

Subscription

Worksheet

Worksheet

This worksheet recaps prior learning of solving subtractions by breaking apart, before moving onto the main skill of subtracting within 20 and crossing 10.

2 Practical Activities

Classroom Secrets logo

Subscription

Supporting Activity

Supporting Activity

This Subtraction - Crossing 10 1 supporting activities sheet contains suggestions for additional tasks you might wish to use to support pupils' understanding of the concepts taught in the lesson.

Classroom Secrets logo

Subscription

Practical Activities

Practical Activities

These practical activities include tasks covering a range of provision areas for pupils to practise the main skill of subtraction - crossing 10 1.

2 Varied Fluency

Varied Fluency from the old Resource Pack
Classroom Secrets logo

Subscription

Worksheet

Worksheet

This differentiated worksheet includes varied fluency questions for pupils to practise the main skill of this lesson.

Classroom Secrets logo

Subscription

Mixed Practice

Mixed Practice

This worksheet includes varied fluency questions for pupils to practise the main skill of subtraction - crossing 10 1.

Classroom Secrets Kids logo

Subscription

Interactive Activity

Interactive Activity

This Year 1 Subtraction Maths Game aims to support pupils' basic subtraction skills within 10.

2 Reasoning & Problem Solving

Classroom Secrets logo

Subscription

Worksheet

Worksheet

This subtraction - crossing 10 1 extension task includes a challenge activity which can be used to further pupils' understanding of the concepts taught in the subtraction - crossing 10 1 lesson.

Reasoning and Problem Solving from the old Resource Pack
Classroom Secrets logo

Subscription

Worksheet

Worksheet

This differentiated worksheet includes reasoning and problem solving questions to support the teaching of this step.

Classroom Secrets logo

Subscription

Discussion Problem

Discussion Problem

This worksheet includes two discussion problems which can be used in pairs or small groups to further pupils' understanding of the concepts taught in this lesson.

Classroom Secrets Kids logo

Subscription

Interactive Activity

Interactive Activity

This Year 1 Subtraction – Crossing 10 1 Maths Challenge checks pupils’ understanding of subtracting numbers within 20 by partitioning.

2 Homework

Classroom Secrets logo

Subscription

Worksheet

Worksheet

This differentiated worksheet includes varied fluency and reasoning and problem solving questions to support the teaching of this step.

2 Additional Activities

Classroom Secrets logo

Free

Free Consolidation of Steps 4-6 Year 1 Addition and Subtraction Learning Video Clip

Free Consolidation of Steps 4-6 Year 1 Addition and Subtraction Learning Video Clip

We catch up with Kev the trainee knight as he continues his training at Kingshill Castle. This time he meets Princess Petronella and Darren the Dragon where Kev has to subtract within 10 and crossing 10. Kev then has to work out how many candles will be left in the box by counting and crossing 10 and then finally, Kev is allowed to take part in some knightly activities by taking part in a fencing match with Sir Bruno, but for every touch of Kev’s armour, he loses a point, how many points will he lose?

Classroom Secrets logo

Subscription

Consolidation Pack

Consolidation Pack

This Addition and Subtraction Consolidation Year 1 resource will help your pupils consolidate their understanding of Spring Block 1: Addition and Subtraction. The resource is based around a new pet shop opening up. The questions in this pack will help you identify children working at the expected level.

Classroom Secrets logo

Subscription

Home Learning Pack

Home Learning Pack

This Spring week 4 Maths pack contains varied fluency, reasoning and problem solving worksheets