Write and read expressions with letters

Answer Key - Grade 6 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   Ari draws a bar for n and cuts 5 off the end. What expression shows 5 less than n?

   n − 5
2. 2.

   Bo has k star stickers. A friend has 8 fewer than that. Draw the bars. What expression shows the number of stickers the friend has?

   k − 8
3. 3.

   Esme sketches a bar for m and cuts 4 off the end. What expression shows 4 less than m?

   m − 4
4. 4.

   Jun draws a bar of 15 and cuts y off the end. What expression means "Subtract y from 15"?

   15 − y
5. 5.

   Luz packs 3 boxes. Each box holds x pencils and 2 erasers: one box is the bar x + 2. Use parentheses for the sum. What expression shows all the pencils and erasers?

   3(x + 2)
6. 6.

   Milo packs 4 boxes. Each box has n beads and 5 stickers: one box is the bar n + 5. Use parentheses for the sum. What expression shows all the beads and stickers?

   4(n + 5)
7. 7.

   Noah draws one bar for the sum of k and 6. Use parentheses for the sum. What expression shows 2 times that sum?

   2(k + 6)
8. 8.

   Ren draws a bar of x cut into 3 equal parts. What expression shows x divided by 3?

   x/3
9. 9.

   Zee holds a card with 7x + 3 on it. What is the coefficient of x?

   • 7x
   • 7
   • 3
   • x
10. 10.

    Kira holds a card with k − 9 on it. Which words match k − 9?

    • 9 fewer than k
    • k fewer than 9
    • 9 more than k