Ages 11–12🧮 Mathematics479 verified questions on this shelf
Substituting into Formulae
Substitute numerical values into formulae and expressions including scientific formulae; evaluate expressions by replacing variables with given values and computing the result using correct order of operations
Try three questions
Tap an answer to check it. Every question and explanation was checked by independent verifiers that must agree.
Question 1 of 3
If x = 3 and y = -2, what is the value of the expression 2x2 – 3y?
Question 2 of 3
Given that x = 3 and y = -2, what is the value of the expression 4x - 2y + 5?
Question 3 of 3
Given that x = 4 and y = 2, what is the value of the expression 3x + 2y?
Keep going on this shelf
A free account keeps practising Substituting into Formulae with 479 verified questions, tracks the Skill as it blooms, and connects a real teacher when you want one. Every student account needs a parent's email first.