Practice questions available in McGraw Hill Math Grade 6 Answer Key PDF Lesson 17.1 Understanding Variable Expressions will engage students and is a great way of informal assessment.
McGraw-Hill Math Grade 6 Answer Key Lesson 17.1 Understanding Variable Expressions
Exercises
EXPRESS
Write each expression in word form.
Question 1.
\(\frac{b}{6}\)
Answer:
\(\frac{b}{6}\) = b divided by 6.
Explanation:
Word form:
\(\frac{b}{6}\) = b divided by 6.
Question 2.
x + 4
Answer:
Sum of x and 4 = x + 4.
Explanation:
Word form:
x + 4 = Adding x and 4.
Question 3.
2d + 10
Answer:
Word form of 2d + 10 = Sum of 2 times d added to 10.
Explanation:
2d + 10 = Sum of 2 times d added to 10.
Question 4.
5q – 5
Answer:
Word form of 5q – 5 = 5times q subtracted by 5.
Explanation:
5q – 5 = 5times q subtracted by 5.
Question 5.
\(\frac{(z-5)}{33}\)
Answer:
Word form of \(\frac{(z-5)}{33}\) = Difference between z and 5 divided by 33.
Explanation:
\(\frac{(z-5)}{33}\) = Subtraction between z and 5 whole divided by 33.
Question 6.
(3h + 4) 10
Answer:
Word form of (3h + 4) 10 = 3 times h added to 4 multiplied 10 times.
Explanation:
(3h + 4) 10 = Sum of 3 times h multiplied 10 times.
Write each phrase as an algebraic expression.
Question 7.
two times a number less three
Answer:
two times a number less three = 2x – 3.
Explanation:
Algebraic expression:
two times a number less three = 2x – 3.
Question 8.
a number minus twenty-two, times fourteen
Answer:
Algebraic expression of a number minus twenty-two, times fourteen = (x – 22) 14.
Explanation:
a number minus twenty-two, times fourteen = (x – 22) 14.
Question 9.
twenty-two minus three, times a number, plus two
Answer:
Algebraic expression of twenty-two minus three, times a number, plus two = (22 – 3)x + 2.
Explanation:
twenty-two minus three, times a number, plus two = (22 – 3)x + 2.
Question 10.
ten times a number minus three times another number
Answer:
Algebraic expression of ten times a number minus three times another number = 10x – 3y.
Explanation:
ten times a number minus three times another number = 10x – 3y.
Question 11.
nine times a number divided by ten times the same number minus two
Answer:
Algebraic expression of nine times a number divided by ten times the same number minus two = 9x ÷ (10x -2).
Explanation:
nine times a number divided by ten times the same number minus two = 9x ÷ (10x -2).
Question 12.
one-half of a number plus one-fourth of the same number
Answer:
Algebraic expression of one-half of a number plus one-fourth of the same number = (1x ÷ 2) + (1x ÷ 4).
Explanation:
one-half of a number plus one-fourth of the same number = (1x ÷ 2) + (1x ÷ 4).