Year 7 · Maths
Substitute Numerical Values For Formulae Expressions
Year 7 learners practise substituting numbers into algebraic expressions.
The activities include Practise Using Simple Algebraic Substitution, Substitute Numbers for Letters in an Expression, Understand Simple Algebraic Substitution, and related practice. The checked support below includes video, worksheet, teaching-practice, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
- Practise Using Simple Algebraic Substitution
- Substitute Numbers for Letters in an Expression
- Understand Simple Algebraic Substitution
- Use Simple Algebraic Substitution with Decimal Numbers
- Use Simple Algebraic Substitution with Negative Numbers
- Use Substitution in Simple Algebraic Expressions
Checked learning resources
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Evaluating Expressions with Two Variables
Khan Academy · Video · Opens on the provider website
Transcript-visible Khan Academy video substituting values for a and b, then x and y, before simplifying multi-term expressions.
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Evaluating an Expression with One Variable
Khan Academy · Video · Opens on the provider website
Transcript-visible Khan Academy video replacing t in 5t + 3 with given values and applying multiplication before addition.
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Evaluating Expressions with Two Variables: Fractions and Decimals
Khan Academy · Video · Opens on the provider website
Transcript-visible Khan Academy video substituting fractional and decimal values for variables before simplifying the expression.
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Substitution with Negative Numbers
Khan Academy · Video · Opens on the provider website
Transcript-visible Khan Academy video substituting positive and negative values for x and y, including subtracting a negative value.
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Substitution Worksheet - KS3 Maths
Twinkl · Worksheet · Account may be required
KS3 practice tasks that build substitution skill by replacing letters with numerical values to evaluate varied algebraic expressions.
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Substitution KS3 Walkthrough Worksheet
Twinkl · Teaching-practice · Account may be required
KS3 walkthrough with step-by-step guidance, worked examples and practice evaluating expressions after substituting given values.
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Negatives and Decimals Substitution Colour by Number
Twinkl · Worksheet · Account may be required
KS3 activity substituting negative numbers and simple decimals into algebraic expressions with several named variables.
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Expressions and equations
Oak National Academy · Lesson · Opens on the provider website
Year 7 Maths resource matched to substituting numbers into algebraic expressions.