kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
12.47 Simplification of Expressions - II

Example: (7x+9y) + (9x+7y) - (9x+9y) = _____ ?
Solution:
The expression is, 7x + 9y + 9x + 7y - 9x - 9y
Write the like-terms together,
7x + 9x - 9x + 9y + 7y - 9y = 18x - 9x + 7y - 18y
= 7x + 7y
Directions: Simplify the following expressions. Also write at least 10 examples of your own.
Q 1: (8x+9y) - (9x+7y) + (6x+7y) = _____ ?
-5x+9y
3x+10y
5x-9y
5x+9y

Q 2: (6x+9y) - (7x+8y) + (7x+7y) = _____ ?
5x+7y
-5x+8y
6x+8y
6x-8y

Q 3: (7x-8y) - (9x-9y) + (6x+7y) = _____ ?
3x+10y
4x+8y
4x-8y
-4x+8y

Q 4: (7x-9y) - (9x+7y) + (7x+9y) = _____ ?
-5x+7y
5x-7y
3x+7y
3x+10y

Q 5: (9x-6y) - (6x-9y) + (7y-6x) = _____ ?
14x-7y
3x+10y
3x-10y
-3x+10y

Q 6: (6x-9y) - (7x-9y) + (6x+7y) = _____ ?
5x+7y
-5x-7y
-6x-23y
6x-23y

Q 7: (17x+9y) + (6x-9y) - (9x+7y) = _____ ?
14x+7y
14x-7y
7x+9y
-14x-7y

Q 8: (8x-9y) - (9x-17y) + (7x+15y) = _____ ?
-4x+8y
-6x-23y
6x+23y
6x-23y

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer