← All lessons

Expressions · Evaluate (+/−)

Grade 6

What this lesson shows

x plus 7. That is not a puzzle with one answer — it is a RULE. It says: take a number, and add 7 to it. Until someone tells you what x is, there is nothing to work out.

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. Evaluate x + 1 when x = 1.
    Show answer
    2
  2. Evaluate x + 1 when x = 4.
    Show answer
    5
  3. Evaluate x + 4 when x = 1.
    Show answer
    5
  4. Evaluate x + 1 when x = 5.
    Show answer
    6

Practise this every day

Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.

Start free