Mathematical Problems for Grade 6
This content provides a series of math problems for grade 6 students, covering topics such as algebraic expressions, area calculation, number replacement in equations, and distinguishing between expressions and equations. The solutions to these problems are also included, aiding in enhancing mathematical skills and understanding.
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Algebra Gr. 6 #1
Which expression represents the number of stamps Sarah has left? Sarah collects stamps and keeps them in envelopes. She had 9 envelopes with a certain number of stamps, s, in each envelope. She sells 3 of the envelopes. A. 9s - 3 B. (9 + 3) s C. 9s - 3s D. 9s - s - 3
Answer: C. 9s - 3s
What is the area of the wall that Keesha will paint? 2. Keesha will paint one rectangular wall of her bedroom. The wall measures 10 feet by 8 feet. A = l x w A. 18 square feet B. 64 square feet C. 80 square feet D. 100 square feet
Answer: C. 80 square feet
What number should replace n? If 47 - n = 29, what number should replace n to make the sentence true? A. 12 B. 18 C. 21 D. 22
Answer: B. 18
Write an expression for the number of hummingbirds Lewis saw on Saturday. On Friday, Lewis saw a certain number of hummingbirds, h. On Saturday, he saw 3 more than twice the number of hummingbirds he saw on Friday. Write your answer.
Answer: 3 + 2h
Explain the difference between an expression and an equation? Answer: Equation has an equal sign.
