Go math - Chapter 7

7.1 - Problem of the day A player can receive 3 x 3 x 3 x 3 bonus points if he reaches level d of a video game. Write the player’s bonus as an exponent.

Does this help? Do you need to solve the problem again? Go for it! https://www.youtube.com/watch?v=79ODXNDujsE Do you need to solve the problem again? Go for it! A player can receive 3 x 3 x 3 x 3 bonus points if he reaches level d of a video game. Write the player’s bonus as an exponent. It’s time…..Math book p. 357

7.2- Problem of the day An archer shoots 6 arrows at a target. Two arrows hit the ring worth 8 points, and 4 arrows hit the ring worth 4 points. Evaluate the expression 2 x 8 + 4 2 to find the archer’s total number of points.

Does this help? https://www.youtube.com/watch?v=ZzeDWFhYv3E Do you need to solve the problem again? Go for it! An archer shoots 6 arrows at a target. Two arrows hit the ring worth 8 points, and 4 arrows hit the ring worth 4 points. Evaluate the expression 2 x 8 + 4 2 to find the archer’s total number of points. It’s time…..Math book p. 363

7.3 - Problem of the day An artist charges $5 for each person in a cartoon drawing. Write an algebraic expression for the cost in dollars for a drawing that includes p people.

Does this help? https://www.youtube.com/watch?v=G9CN1P-yd-0 Do you need to solve the problem again? Go for it! An artist charges $5 for each person in a cartoon drawing. Write an algebraic expression for the cost in dollars for a drawing that includes p people. It’s time…..Math book p. 369

7.4 - Problem of the day At a gardening store, seed packets cost $2 each. Martin bought 6 packets of lettuce seeds and 7 packets of pea seeds. The expression 2 x (6 + 7) represents the cost in dollars of Martin’s seeds. Identify the parts of the expression. Then write a word expression for 2 x (6 + 7).

Does this help? https://www.youtube.com/watch?v=MgL0E5ayJjk Do you need to solve the problem again? Go for it! At a gardening store, seed packets cost $2 each. Martin bought 6 packets of lettuce seeds and 7 packets of pea seeds. The expression 2 x (6 + 7) represents the cost in dollars of Martin’s seeds. Identify the parts of the expression. Then write a word expression for 2 x (6 + 7). It’s time…..Math book p. 375

7.5 - Problem of the day Amir is saving money to buy an MP3 player that costs $120. He starts with $25, and each week he saves $9. The expression 25 + 9w gives he amount in dollars that Amir will have saved in w weeks. Evaluate the expression for w = 8.

Does this help? https://www.youtube.com/watch?v=AJNDeVt9UOo Do you need to solve the problem again? Go for it! Amir is saving money to buy an MP3 player that costs $120. He starts with $25, and each week he saves $9. The expression 25 + 9w gives he amount in dollars that Amir will have saved in w weeks. Evaluate the expression for w = 8. It’s time…..Math book p. 381

7.6 - Problem of the day Rafe’s flight from Los Angeles to New York took 5 hours. He wants to know the average speed of the plane in miles per hour. Write an expression to represent the average speed of the plane.

Does this help? https://www.youtube.com/watch?v=G9CN1P-yd-0 (repeat!) Do you need to solve the problem again? Go for it! Rafe’s flight from Los Angeles to New York took 5 hours. He wants to know the average speed of the plane in miles per hour. Write an expression to represent the average speed of the plane. It’s time…..Math book p. 389

7.7 - Problem of the day Baseball caps cost $9, and patches cost $4. Shipping is $8 per order. The expression 9n+ 4n + 8 gives the cost in dollars of buying caps with patches for n players. Simplify the expression 9n + 4n + 8 by combining terms.

Does this help? https://www.youtube.com/watch?v=Nbxe7jCiaHs Do you need to solve the problem again? Go for it! Baseball caps cost $9, and patches cost $4. Shipping is $8 per order. The expression 9n+ 4n + 8 gives the cost in dollars of buying caps with patches for n players. Simplify the expression 9n + 4n + 8 by combining terms. It’s time…..Math book p. 395

7.8 - Problem of the day Nelson ran 2 miles, 3 laps, and 5 miles. The expression 2 + 3 l + 5 represents the total distance in miles Nelson ran, where l is the length in miles of one lap. Write an equivalent expression with only two terms.

Does this help? https://www.youtube.com/watch?v=maSxwa6gOhw (distributive property) Do you need to solve the problem again? Go for it! Nelson ran 2 miles, 3 laps, and 5 miles. The expression 2 + 3 l + 5 represents the total distance in miles Nelson ran, where l is the length in miles of one lap. Write an equivalent expression with only two terms. It’s time…..Math book p. 401

7.9 - Problem of the day Each train on a roller coaster has 10 cars, and each car can hold 4 riders. The expression 10t x 4 can be used to find the greatest number of riders when there are t trains on the track. Is this expression equivalent to 14t ? Use properties of operations to support your answer.

Does this help? https://www.youtube.com/watch?v=UqY0DDjxLGY (distributive property) Do you need to solve the problem again? Go for it! Each train on a roller coaster has 10 cars, and each car can hold 4 riders. The expression 10t x 4 can be used to find the greatest number of riders when there are t trains on the track. Is this expression equivalent to 14t ? Use properties of operations to support your answer. It’s time…..Math book p. 407