Get students brains switched on and practise pre algebra concepts involving addition and subtraction. Solve the problems and match them to the correct bag of popcorn!
Use as a whole class modelling activity, in numeracy rotations or as a fast finisher. The student worksheet can be used to monitor students understanding of commutative properties of addition and the use of inverse operations to solve problems.
Find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations
Find unknown quantities in number sentences involving addition and subtraction and identify equivalent number sentences involving addition and subtraction
Use equivalent number sentences involving addition and subtraction to find unknown quantities
Define a simple class of problems and solve them using an effective algorithm that involves a short sequence of steps and decisions
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
Generalises properties of odd and even numbers, generates number patterns, and completes simple number sentences by calculating missing values
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
Represents and uses the structure of multiplicative relations to 10 × 10 to solve problems
Completes number sentences involving multiplication and division by finding missing values