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Function Machines

Inputs and Outputs - Two Step Function Machines WORKSHEET

Suitable for Year groups: Year 7, Year 8
GCSE Tier: Foundation
Targeting grades: 1-3
Prerequisite knowledge: Completing four operations using mental methods. Selecting the appropriate inverse operation.
Learning Objective: Using operations and reverse operations to find inputs and outputs of two step function machines

Inputs and Outputs - Two Step Function Machines WORKSHEET DESCRIPTION

Your students can get a practice of mental methods whilst considering operations and their inverses throughout this worksheet. Function machines are also a good stepping stone for algebraic methods.

In section A, students will be processing inputs through double-operation function machines.

In section B, students will complete the number machines by using inverse operations to find the inputs from given outputs.

Pupils will find both inputs and outputs of two-step function machines in section C.

Most inputs and outputs are positive integers. Learners only have to work with decimal numbers on four occasions and add to a negative number once.

All worksheets are created by the team of experienced teachers at Cazoom Maths.

Inputs and Outputs - Two Step Function Machines Worksheet created for students in KS3

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Frequently Asked Questions

Students should be confident with completing four operations using mental methods, as they'll be working through calculations step-by-step in their heads. They also need to understand how to select the appropriate inverse operation, since reversing function machines requires them to 'undo' operations in the correct order.