Which value makes it true?

Answer Key - Grade 6 Math Worksheet - Building Confidence

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

1. 1.

   Ari copies a clue onto paper. The bar for 13 is cut into x and 5. Which value of x makes x + 5 = 13 true?

   • 13
   • 8
   • 5
   • 18
2. 2.

   A clue is taped to Bo's backpack. The bar for 16 is cut into x and 7. Which value of x makes x + 7 = 16 true?

   • 23
   • 7
   • 16
   • 9
3. 3.

   Esme plays a number game on the phone. The bar for 22 is cut into x and 9. Which value of x makes x + 9 = 22 true?

   • 22
   • 9
   • 31
   • 13
4. 4.

   A very serious pencil helps Luz crack a code. The bar for 28 is cut into 4 equal parts, each x. Which value of x makes 4x = 28 true?

   • 28
   • 24
   • 7
   • 112
5. 5.

   Noah checks the clock before a quiz. The bar for 24 is cut into 3 equal parts, each x. Which value of x makes 3x = 24 true?

   • 24
   • 21
   • 8
   • 72
6. 6.

   Tala solves a clue. Test x = 4 in 6x − 2 = 22. Draw 6 bars, each worth 4, and then take away the 2. What number does the left side become?

   22
7. 7.

   Zee solves a clue. Test x = 5 in 4x − 3 = 20. Draw 4 bars, each worth 5, and then take away the 3. What number does the left side become?

   17
8. 8.

   A very serious pencil helps Ari crack a code. Which value of x makes both x > 3 and x < 9 true?

   • 11
   • 2
   • 12
   • 5
9. 9.

   Bo opens an envelope with a puzzle inside. Which value of x makes both x > 4 and x < 10 true?

   • 7
   • 13
   • 3
   • 12
10. 10.

    Jun solves a clue. Draw the bar for x + 2 and the bar for 7: the first bar must be longer. Which value of x makes x + 2 > 7 true?

    • 2
    • 9
    • 4
    • 5