Add & Subtract 1-digit & 2-digit numbers to 20 - Year 1

UK Curriculum: Number – Year 1 programme of study
Addition and Subtraction
Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs
Add and subtract one-digit and two-digit numbers to 20 , including zero
Missing number problems

UK Curriculum: Number – Year 2 programme of study
Addition and Subtraction
Recall and use addition and subtraction facts to 20 fluently,
Recognise and use the inverse relationship between addition and subtraction and use this to check calculations and solve missing number problems.

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.

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 virtually unlimited practice.

You have 15 Sets of Worksheets

1: Add within 10
2: Subtract within 10
3: Add and Subtract within 10
4: Add and Subtract within 10 - Challenge - find the missing number in the equation
5: Add within 20
6: Subtract within 20
7: Add and Subtract within 20
8: Add and Subtract within 20 - Challenge - find the missing number in the equation
9: Add and Subtract within 20 - right or wrong quiz
10: Maze - Add within 20
11: Maze - Subtract within 20
12: Maze - Add and Subtract within 20

Although the requirements for Year 1 are for adding and subtracting within 20 in some curricula students move on to larger range of numbers

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 .

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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.