Worksheets › Class 7 › Expressions using Letter-Numbers
Class 7 Expressions using Letter-Numbers worksheet
CBSE Mathematics. Writing expressions with letters, like terms, simplifying, finding values, patterns and formulas. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
If y = 10, the value of 7y + 17 is:
- 189
- 34
- 727
- 87
Answer
(d) 87
7 × 10 + 17 = 87
- 2.
11k + 9k equals:
- 20k²
- 20
- 20k
- 99k
Answer
(c) 20k
11 + 9 = 20
- 3.
In 5n, the letter n stands for:
- the number 10
- nothing
- 5
- any number
Answer
(d) any number
5n means 5 × n
Section B · short answer
- 4.
Simplify (8y + 17) + (11y − 16).
Answer
19y + 1
8y + 11y = 19y; 17 − 16 = 1
- 5.
Find 6t + 4 for t = 5, 6 and 7.
Answer
34, 40, 46
each time it goes up by 6
Section C · long answer
- 6.
A zoo ticket costs Rs 193 for an adult and Rs 122 for a child. Write an expression for the cost of a adults and c children, then find it for 6 adults and 9 children.
Answer
193a + 122c; Rs 2,256
193 × 6 + 122 × 9
Fresh sheets for your child
In the app, every Expressions using Letter-Numbers sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.