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After counting using visual, tactile, and various mental strategies to explain and practice addition and subtraction, there arrives the transition point where these fundamental operations must be understood and written out in equations that become the foundation for so much mathematics that follow. These Sets of worksheets hopefully provide a more than sufficient set of differentiated resources for working with the equations of addition and subtraction up to 20 that covers the requirement of most curricula around the world, with the flexibility to provide almost unlimited practice. The 10 Sets include 1: Add and Subtract within 10 - find the sum or difference 2: Add and Subtract within 10 - Challenge - find the missing number in the equation 3: Add within 20 - find the sum 4: Subtract within 20 - find the difference 5: Add and Subtract within 20 - find the sum or difference 6: Add and Subtract within 20 - Challenge - find the missing number in the equation 7: Add and Subtract within 20 - right or wrong quiz 8: Maze - Addition within 20 9: Maze - Subtraction within 20 10: Maze - Addition and Subtraction within 20 *Even though the focus is on adding and subtracting within 20 in some curricula students move on to larger numbers, so I have included the following * Extension Sets 11: Add and Subtract within 30, 40 or 50 - find the sum or difference 12: Add and Subtract within 30, 40 or 50 - Challenge - find the missing number in the equation 13: Maze - Addition and Subtraction within 30, 40 or 50 How many worksheets are in each Set ? Almost unlimited. At the click of a button all numbers are randomised, so the questions change every time which allows you to create new worksheets for extra practice or revision throughout the year or even give groups of pupils in your class different Sets of questions. No-Prep Worksheets Click, PRINT and Go !! Ideal to have ready at hand as an extra activity, or a resource for a replacement teacher that requires no instructions. Answer are automatically generated each time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

This resource has been expanded so there are now 2 Interactive Teaching Pages and 2 worksheets. “Adding up to 5 with Jellyfish 1” introduces the concept of adding and the symbols + and = by first counting two sets of objects and then selecting the equivalent total. The equation with numbers can then be revealed, one element at a time, and comparison between the two can be made. “Adding up to 5 with Jellyfish 2” invites the pupils to complete the addition sum and if needed do a check through counting. The 2 static worksheets cover most of the combinations of numbers that add up to 5 or less. See the “HELP” Page for further guidance. *Note This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.

Year 3 programme of study - Number – number and place value - compare and order numbers up to 1000 Print out as many unique worksheets as you need choosing from five different ranges of numbers up to 1000. Your students will never run short of new worksheets to practice with. Students are asked to compare a set of four 2-Digit numbers or four 3-Digit numbers and place them in order between inequality signs. You can choose to order numbers in the range: 1 to 20 1 to 50 1 to 100 1 to 500 1 to 1000 This will give you a choice of differentiating from the very start. How many worksheets are in each set ? (Almost) Unlimited. At the click of a button all numbers are randomized, so you can create as many different worksheets for classwork, homework, revision, preparing for assessment, etc and the numbers will change every time. Answers are automatically generated every time. Digital Teaching Material These are designed to help you introduce the content of the worksheets to the whole class on an Interactive Whiteboard, or on a PC or Mac for 1-1 tuition and again you have (almost) unlimited examples to practice with. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers. Australian Curriculum - ACMNA013 - order numbers to at least 100

An Interactive PDF Teaching Resource AND Dynamic PDF Worksheet The minuends and subtrahends are randomised at the click of a button and you can choose from 6 ranges of numbers: 1- 10 1 - 20 1 - 50 1 - 100 in 10s 1 - 500 in 10s 1 -1000 in 10s The Teaching Resource is designed to be used by teachers and pupils on an Interactive Whiteboard or on a PC/Mac computer for one-to-one tuition. Ideal as a warm up activity at the start of a lesson or game at the end. The Dynamic PDF Worksheet provides 2 Subtraction Squares on one page, (again with randomisation of numbers in the same range as on the Teaching Resource), that you can print out for the pupils. Answers are viewable for both the above resources. A Help Guide and is included. Note *This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.