Get students brains switched on and practise pre-algebra concepts involving addition and subtraction. Students must interpret number stories involving addition and subtraction, record a number sentence to match and then use a calculator to solve the problem.
Use this fun activity in numeracy rotations or as a fast finisher activity. The student worksheet can be used to monitor students understanding of inverse operations to solve problems.
Laminate gameboards for a quick and effective maths rotations activity or use the black and white versions that students can decorate themselves.
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
Recognise and explain the connection between addition and subtraction
Explore the connection between addition and subtraction
Recognise and explain the connection between addition and subtraction
Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes
Explore the connection between addition and subtraction
Uses appropriate terminology to describe, and symbols to represent, mathematical ideas
Selects and uses appropriate mental or written strategies, or technology, to solve problems
Checks the accuracy of a statement and explains the reasoning used
Uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers
Applies an understanding of place value and the role of zero to represent numbers to at least tens of thousands
Represents and compares decimals up to 2 decimal places using place value
Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers
Completes number sentences involving addition and subtraction by finding missing values