Y5 Add and Subtract Large Numbers Using a Formal Written Method 1. Flip Cards -Print Double Sided Back To Back onto Card. a. Work with partner and flip when you both have an answer. b. Work on own and ask partner to flip & check your answers. c. Work independently against a timer. d. Make your own Easy, Hard, Harder Flip Cards. 2. . HTO Magic Squares to complete - answers included. 3. Missing Digits Challenge Worksheet with extension activity and answers. 4. Addition / Subtraction Pyramids to solve with answers provided. 5. House Buying - Problem Solving Activity involving addition and subtraction of large numbers. 3 levels of challenge. Answers provided. 6. Alien Invasion - Self Checking Partner Game 7. Spot My Mistakes, 3 levels of challenge with answers.

Y5: Subtract numbers with four or more digits, using a formal written method. This is a taster sample, more available here: https://www.tes.com/teaching-resource/subtraction-year-5-formal-written-subtraction-11475092 Questions on one side, answers on the other - easy to play lots of self checking games. Flip Cards. Print Double Sided onto Card. 1. Work with partner and flip when you both have an answer. 2. Work on own and ask partner to flip and check your answers. 3. Work independently against a timer. 4. Make your own Easy, Hard, Harder Flip Cards. Support pupils with Place Value Apparatus or Place Value Counters. Extend pupils by asking them to sort cards into easy, hard, harder and explain why. Extend pupils by asking them to write word problems to go with the cards.

Y5 Add numbers with four or more digits, using formal written methods. Row Column Self Checking Worksheet with answers provided. Free Sample Taster - more available here https://www.tes.com/teaching-resource/addition-year-5-formal-written-addition-11474220

Y4: Solve addition and subtraction two-step problems in contexts. 16 pages plus answers - 160 Word Problems - Written Calculations 4 Worksheets Sets each with 3 levels of challenge and with answers. PLUS 1** Introduction / lower attainer worksheet** set with 4 sets of word problems with simple numbers, answers included.

LO: To estimate the answer to a calculation and use inverse operations to check answers 3 Worksheet Sets (11 pages in total plus answers) for Y4 or older pupils. Set 1 Differentiated: 4 levels of challenge.Answers included. Pupils check the reasonableness of bar models and then use them to create fact families including inverses. Set 2 Differentiated: 3 levels of challenge. Answers included. Pupils make a mental estimation and copy the calculations to the correct section of the number line. Set 3 Differentiated: 5 levels of challenge. Answers included. Pupils make a mental estimation and copy the calculations to the correct section of the number line.

Y4 Add and subtract numbers with up to four digits, using formal written methods. 1. Flip Cards -Print Double Sided Back To Back onto Card. Work with partner and flip when you both have an answer. Work on own and ask partner to flip & check your answers. Work independently against a timer. Make your own Easy, Hard, Harder Flip Cards. 2. Let’s Play Darts - Self Checking Partner Game. 3. HTO Magic Squares to complete - answers included. 4. Missing Digits Challenge Worksheet with answers and extension activity. 5. Addition / Subtraction Pyramids to solve with answers provided. 6. Shopping - Problem Solving Activity involving addition and subtraction of 3 digit numbers. 3 levels of challenge. Answers provided. 7. Spot My Mistakes, 3 levels of challenge with answers. 8.** Extension **Challenge Addition Subtraction Pyramid Activity / Worksheet

Y4 Add and subtract numbers with up to four digits, using formal written methods of columnar subtraction. Differentiated - 3 levels of challenge with answers. Free Sample Taster - More available here: https://www.tes.com/teaching-resource/resource-11458897

Y3 Solve problems using addition and subtraction. Free Sample Taster - Lots more available here: https://www.tes.com/teaching-resource/resource-11451196 Calculations cards with questions on one side and the answers on the back so that pupils can self-check and play games. Flip Cards. Print Double Sided (Back to Back) onto Card. 1. Work with partner and flip when you both have an answer. 2. Work on own and ask partner to flip and check your answers. 3. Work independently against a timer. 4. Make your own Easy, Hard, Harder Flip Cards. Use a single set for an easier game. Mix with other Flip Cards for a more challenging game. For an extra challenge edit the cards and add in a few wrong answers - see if they spot them. Support pupils with Place Value Apparatus or Place Value Counters.

Y3: Solve problems using addition and subtraction. A4 pdf formats. 20 pages of word problems. 200 questions plus answers. Plus more. Please see preview video clip.

LO: To estimate the answer to a calculation and use inverse operations to check answers Lots more available here: https://www.tes.com/teaching-resource/resource-12165882 For Y3 or older pupils. Differentiated: 3 levels of challenge. Answers included. Pupils check the reasonableness of bar models and then use them to create fact families including inverses.

LO: To estimate the answer to a calculation and use inverse operations to check answers Free Sample Taster - Lots more available here: https://www.tes.com/teaching-resource/resource-12165882 For Y3 or older pupils. Differentiated: 3 levels of challenge. Answers included. Pupils copy the calculations to the correct section of the number line. Some lines are in steps of 10, some in steps of 50.

Y3 Add and subtract numbers with up to three digits, using formal written methods. 7 Activities / Worksheets Let’s Play Darts - Self Checking Partner Game. Missing Digits Challenge Worksheet with answers and extension activity. Addition / Subtraction Pyramids to solve with answers provided. Shopping - Problem Solving Activity involving addition and subtraction of 3 digit numbers. 3 levels of challenge. Answers provided. Spot My Mistakes, 3 levels of challenge with answers. HTO Magic Squares to complete - answers included. Flip Cards -Print Double Sided Back To Back onto Card. a. Work with partner and flip when you both have an answer. b. Work on own and ask partner to flip & check your answers. c. Work independently against a timer. d. Make your own Easy, Hard, Harder Flip Cards.

Y3 Subtract numbers with up to three digits, using formal written methods of columnar subtraction. 1. Difference Darts - Self Checking Partner Game. 2. Four In A Line - Self Checking Partner Game. 3. Flip Cards -Print Double Sided Back To Back onto Card. a. Work with partner and flip when you both have an answer. b. Work on own and ask partner to flip & check your answers. c. Work independently against a timer. d. Make your own Easy, Hard, Harder Flip Cards. 4. Missing Digits Challenge Worksheet with answers and** extension** activity. 5. Spot My Mistakes, 3 levels of challenge with answers. Support pupils with Place Value Apparatus or Place Value Counters.

Y3 Add numbers with up to three digits, using formal written methods of columnar addition. Worksheet with answers. Find the next brick up by adding the two bricks directly beneath it. Support pupils with Place Value Apparatus or Place Value Counters. Extend pupils by asking them to create their own pyramid so that the top brick is exactly 1750. Free Sample Taster - Lots more available here: https://www.tes.com/teaching-resource/resource-12165882

Y3 Add and subtract numbers mentally: 3-digit number and ones, tens or hundreds. 3 levels of challenge plus and extension Answers included. Support pupils with Place Value Apparatus or Place Value Counters. Practise counting forwards and backwards from random 3 digit numbers in hundreds, tens or ones, with partners or around tables. Extend pupils by asking them to create their own missing digit problems. How many digits can we hide and still be sure of finding the answers? Does is matter which digits we hide? Can they explain? Lots more available here: https://www.tes.com/teaching-resource/resource-12743331