Evaluate expressions and formulas

Answer Key - Grade 6 Math Worksheet

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

1. 1.

   Luz reads y pages each night. In 9 nights, Luz reads 9y pages (bedtime can wait). What is 9y when y = 7?

   63
2. 2.

   Milo grabs a pencil for this one. What is 7t when t = 12?

   84
3. 3.

   Noah tries two letters side by side. What is pq when p = 7 and q = 3?

   21
4. 4.

   Ren works a quick one with a plus. What is 8 + 3x when x = 5?

   23
5. 5.

   Zee watches a seedling that is 8 cm tall and grows 2 cm each week, so its height after w weeks is H = 8 + 2w. What is H when w = 6?

   20
6. 6.

   Ari rings the bell for a subtraction one. What is 50 − 4x when x = 7?

   22
7. 7.

   Jun has a square sunflower bed with side s = 7 m, so its area is A = s². What is A?

   49
8. 8.

   Kira cubes a number. What is x³ when x = 8?

   512
9. 9.

   Noah works a parentheses problem. What is 5(a + 2) when a = 8?

   50
10. 10.

    Pia has a rectangle that is l = 9 cm long and w = 5 cm wide. Its perimeter is P = 2(l + w). What is P?

    28