Introduction
Substitution is one of the first and most important algebra skills children learn. It involves replacing letters with numbers and then evaluating mathematical expressions correctly using arithmetic rules.
This worksheet is ideal for KS2 learners, Year 5 and Year 6 pupils, and children preparing for 11 Plus examinations. The questions cover positive and negative numbers, powers, brackets, multiplication, division, and multi-step calculations, helping pupils gain confidence in algebraic reasoning.
Topics Covered
Download the Complete Worksheet
Access the printable worksheet and fully worked solutions instantly.
Interactive Solved Questions
Step 1: Substitute the values.
3 + 5 + 4
Step 2: Add the numbers together.
12
Answer: 12
Step 1: Substitute the values.
5 − (−2) − (−4)
Step 2: Convert subtraction of negatives into addition.
5 + 2 + 4
Step 3: Add the values.
11
Answer: 11
Step 1: Substitute the values.
(3 × 5) + (−2) − 2(4)
Step 2: Perform multiplication.
15 − 2 − 8
Step 3: Calculate the result.
5
Answer: 5
Worksheet Benefits
Confidence Building
Helps children understand how letters and numbers work together in algebra.
Exam Preparation
Strengthens algebra skills commonly tested in KS2 and 11 Plus examinations.
Independent Learning
Step-by-step solutions allow pupils to practise and self-check their work.
Parent Support
Clear explanations help parents and tutors support algebra learning at home.
Final Words
Substitution is a key foundation of algebra. Regular practice helps children become more confident when evaluating expressions, solving equations, and tackling advanced maths topics in the future.