one more and one less problem solving year 1

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Counting One More and One Less - Year 1

Year 1 maths programme of study - Number (number and place value):

• given a number, identify one more and one less
• Draw a picture to complete each box activity (one more)
• Use a numeral to complete each box activity (one more)
• Use a word to complete each box activity (one more)
• The 3 activities above come with an accompanying worksheet
• Count the objects and complete the sentences activity and worksheet (one more)
• Using the random number finder complete the worksheet activity (one more)
• Reasoning and problem solving worksheet (one more)
• 2 further one more worksheets
• Draw a picture to complete each box activity (one less)
• Use a numeral to complete each box activity (one less)
• Use a word to complete each box activity (one less)
• Count the objects and complete the sentences activity and worksheet (one less)
• Using the random number finder complete the worksheet activity (one less)
• Reasoning and problem solving worksheet (one less)
• 2 further one less worksheets

'Counting One More and One Less - Year 1' is completely editable giving teachers the freedom to adapt the resource to suit their individual teaching needs.

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Year 1 Place Value Bundle - Numbers to Ten

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Let's find one more and one less

This fun Year 1 'Let's find one more and one less' scheme of work deepens your class's understanding of addition and subtraction as they work practically to solve number sentences both using physical resources and number lines.

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#TheCompleteSeries5lessons

This scheme of work comes with five complete lessons, each one with an engaging slideshow presentation for the teaching input, differentiated activities and a range of printable resources to support your Year 1 class as they become more familiar with using objects and number lines to find one more and one less.

#Lesson1UsingObjects1

What does one more mean? What does one less mean? The slides explain this in simple terms and get your class practically finding the answers. During this teaching input your children will be given a range of one more and one less problems that encourage them to think carefully about what the question is asking. Following this, challenge your class to attempt two of the four included activities.

What's included:

• Lesson plan
• Activity ideas
• Number cards
• Picture cards
• Jigsaw pieces
• Photo sheet

#Lesson2UsingObjects2

This lesson gives your class the opportunity to consolidate their understanding of how to find one more and one less. They will continue to work practically by counting out objects to solve problems.

#Lesson3NumberLines1

How can we use a number line to solve a problem? This lesson gets the children working out answers to problems using number lines. The slides explain this in simple terms and show your class how to record the value of the jump on the number line. After the teaching input, your class will access two of the four included activities. The activities have a mixture of one more and one less questions.

• Number lines
• Number sentence cards
• Number line cards
• Differentiated worksheets
• Bus stop sheet
• People cards

#Lesson4NumberLines2

This lesson gives your class the chance to consolidate their understanding of using number lines to solve a problem. During the input they will work out answers to problems using numbered, tabbed and blank number lines. After this, your class will access two of the four included activities that have a mixture of one more and one less questions.

• Bus Stop sheet

#Lesson5SolvingProblems

This final one more and one less lesson gets your children applying their knowledge of addition and subtraction to solving problems. They will be encouraged to use different methods to solve problems including using objects, bead strings, number lines and counting on and back. Challenge your class to work out what the missing operation is in number sentences and to find out how many items were purchased on a shopping trip.

• Shopping basket sheet
• Problem cards
• Missing operations cards

Free Overview (Medium-Term Plan)

Download a free overview to support your teaching of this scheme of work.

Free Assessment Grid

Download a free, editable assessment grid to support your teaching of this scheme of work.

Curriculum Objectives covered

• Year 1 - given a number, identify one more and one less
• Year 1 - identify and represent numbers using objects and pictorial representations including the number line, and use the language of: equal to, more than, less than (fewer), most, least
• Year 1 - read and write numbers from 1 to 20 in numerals and words

Customer Reviews

Great start to forming number sentences.

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This is a good idea BUT... I plan from home. Our wi-fi access in school is sketchy and this means that I cannot download the presentations to use offline in school. A complete pain sorry as the resources are excellent!

Hi Jenna, thank you for your review - we're pleased that you think the subscription is a good idea! We know that some schools have inconsistent wifi, so we made sure we could offer a solution - you can save any resources you want to 'offline mode' so that you can access them at school whether you have an internet connection or not. See our 'how to use offline access' video for more information (click our Support tab, then 'How does it work?', and scroll down the page to our video and PDF guides). If we can help you any further, please do not hesitate to contact us at [email protected]

Fabulous creative upper case letters to encourage little ones to colour, seek out the hidden objects and name as many as they can. Highly recommended 👌.

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Let’s share objects equally

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Year 1 | Counting One More and One Less Lesson Presentation

Year 1 place value block 4 resources 

Aligned with the maths mastery approach, this Year 1 | Counting One More and One Less Lesson Presentation  is fully editable, and is designed for the Year 1 maths curriculum covering the following maths objectives for the autumn term:

Topic: Place Value

This lesson practises working out one more than a number from 11-20.

Small Steps: Count one more and one less.

NC Links : Given a number, identify one more or one less.

TAF Statements : Working Towards –  Read and write numerals to 20. Partition a two-digit number into tens and ones and demonstrate an understanding of place value, though they may use structured resources to support them.

  Greater Depth – Use reasoning about numbers and relationships to solve more complex problems and explain their thinking.

Ready-to-progress criteria: 1NPV-1 Count within 100, forwards and backwards, starting with any number..

Previous experience: Begin to develop a sense of the number system by verbally counting forward to and beyond 20, pausing at each multiple of 10.

Future applications: Place value within 100. Compare and order numbers. Add and subtract within 100.

Aligned with the order of teaching of the maths mastery approach , use this to help your children get to grips with each mathematical concept. This lesson presentation also includes varied fluency activities, problem solving, and mathematical discussion questions too.

Links to relevant TAF statements and ‘Ready-to-Progess’ criteria also included.

Explore our other year 1 place value resources .

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One More One Less (to 100) Year 1 Place Value Resource Pack

Step 6: One More One Less Year 1 Summer Block 4 Resources

This Year 1 One More One Less Year 1 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for Summer Block 4.

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What's included in the pack?

This pack includes:

• One More One Less (to 100) Year 1 Teaching PowerPoint.
• One More One Less (to 100) Year 1 Varied Fluency with answers.
• One More One Less (to 100) Year 1 Reasoning and Problem Solving with answers.

National Curriculum Objectives

Mathematics Year 1: (1N1a) Count to and across 100, forwards and backwards, beginning with 0 or 1, or from any given number

Mathematics Year 1: (1N2b) Given a number, identify one more and one less

Mathematics Year 1: (1N4)  Identify and represent numbers using objects and pictorial representations including the number line, and use the language of: equal to, more than, less than (fewer), most, least

Mathematics Year 1: (1N2c)  Read and write numbers from 1 to 20 in numerals and words

Differentiation:

Varied Fluency Developing  Questions to support understanding one more and one less. Numbers within 50 which do not cross the tens column. Pictorial support is given. Expected  Questions to support understanding one more and one less. Numbers within 100 including crossing the tens column. Pictorial support is given. Greater Depth  Questions to support understanding one more and one less. Numbers within 100 including crossing the tens column. Numbers may be written in numerals and words. No pictorial support is given.

Reasoning and Problem Solving Questions 1, 4 and 7 (Problem Solving) Developing  Creating 2-digit consecutive numbers from given digits. Numbers are within 50 and do not cross the tens column. Pictorial support is given. Expected  Creating 2-digit consecutive numbers from given digits. Numbers are within 100 and may cross the tens column. Pictorial support is given. Greater Depth  Creating consecutive numbers from given digits. Numbers are within 100 and may cross the tens column. Numbers may be written in numerals or words. No pictorial support is given.

Questions 2, 5 and 8 (Reasoning) Developing  Consider a visual representation of manipulatives and a related statement with a misconception. Identify the misconception and explain the reasoning. Errors are of addition or subtraction in ones. Numbers are within 50 and do not cross the tens column. Expected  Consider a visual representation of manipulatives and a related statement with a misconception. Identify the misconception and explain the reasoning. Errors include place value based mistakes. Numbers are within 100 and may cross the tens column. Greater Depth  Work out the mystery number using knowledge of one more and one less. Numbers are within 100 and may cross the tens column. Numbers may be written in numerals or words.

Questions 3, 6 and 9 (Problem Solving) Developing  Check a test and correct any mistakes found. Numbers are within 50 and do not cross the tens column. Expected  Check a test and correct any mistakes found. Numbers are within 100 and may cross the tens column. Greater Depth  Check a test and correct any mistakes found. Numbers are within 100 and may cross the tens column.

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Year 1 Place Value (within 20) – One more and one less – Lesson 4

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Description

This resource develops understanding from the previous lesson by introducing counting one more and one less from 0 to 20. There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions. National Curriculum Objectives: Mathematics Year 1: 

identify and represent numbers using objects and pictorial representations including the number line, and use the language of: equal to, more than, less than (fewer), most, least read and write numbers from 1 to 20 in numerals and words.

Differentiation: There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’.

Level of this pack:

 England & Wales: Year 1  Scotland: Primary 1  Rep. Ireland: Infants  Australia: Kindergarten  USA: Kindergarten USA: Kindergarten #Autumn Block 4

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Linked resources:

Year 1 Place Value (within 20) – Count and write numbers to 20 – Lesson 1

Year 1 Place Value (within 20)- Numbers from 11-20 – Lesson 2

Year 1 Place value (within 20) – Understanding Tens and Ones – Lesson 3

Year 1 Place Value (within 20) – Comparing groups of objects – Lesson 5

Year 1 Place Value (within 20) – Comparing Numbers – Lesson 6

Year 1 Place Value (within 20) – Ordering groups of objects – Lesson 7

Year 1 Place Value (within 20) – Ordering – Lesson 8

Year 1 Maths – Place value/Counting Forwards (numbers up to 20) Display Poster Pack

Maths – Place value Display Cards

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Year 1/2 Find 1 more and 1 less worksheet

Subject: Mathematics

Age range: 3-5

Resource type: Worksheet/Activity

Last updated

15 May 2024

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Number worksheet complete with 100 square

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Year 1 and Year 2 Number worksheets

Worksheets to practise: -number bonds to 10, - additions using dice, - 1 more and 1 less, - 10 more, 10 less using 100 square - finding numbers on a bead string. - ordering numbers - counting objects to 20 - add 3 numbers - 100 square missing numbers HOW TO GET IN TOUCH WITH ME Feel free to ask any questions or let me know of any problems regarding my resources by emailing me directly, especially if you have any requests or ideas I can create: [email protected]

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