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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
2.69 Multiplication of Monomials - II

Example: 3x * 7y = _____ ?
Solution:
3x * 7y
= (3x * 7)*y.....(Associative Law)
= [(3*x)*7]*y
= [3*(x*7)]*y.....(Associative Law)
= [3*(7*x)]*y.....(Commutative Law)
= [(3*7)*x]*y.....(Associative Law)
= [21*x]*y
= 21*(x*y).....(Associative Law)
= 21xy

Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 15x * 15y = _____ ?
Answer:

Q 2: 9x * 15y = _____ ?
Answer:

Q 3: 9x * 9y = _____ ?
Answer:

Q 4: 15x * 5y = _____ ?
Answer:

Q 5: 7x * 9y = _____ ?
Answer:

Q 6: 4x * 15y = _____ ?
Answer:

Q 7: 8x * 7y = _____ ?
Answer:

Q 8: 17x * 5y = _____ ?
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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