6th Grade Math Textbook, Progress

Solve. Use a strategy from the list or another

strategy you know to do each problem.

10. The History Museum displays a variety of models.
    A model fort is built entirely from miniature bricks.
    Each brick has a mass of 115 g. The model fort
    has a mass of 143,175 g. How many bricks are
    used in this model?


11. Another historical model shows a Civil War battlefield.
    There are twice as many Confederate soldiers as
    Union soldiers in the model. There are 639 soldiers in
    the display. How many Confederate soldiers are there?


12. A model of the Monitorrequires 2350 bolts. The
    bolts are produced in sets of 15. How many sets
    of bolts must be ordered to make this model?


13. Joe’s handmade wooden toy train car weighs 4.923 oz.
    A 15-car wooden train set at a local toy store weighs
    65.64 oz. How much lighter or heavier is Joe’s train car
    than the average for the store’s train cars?


14. A craft club wants to buy model paint kits to raffle off at
    their next meeting. The kits come in three sizes: small,
    24 oz of paint for $5.19; medium, 32 oz of paint for $6.19;
    and large, 48 oz of paint for $7.19. Which is the best buy?


15. The model builder of the Spirit of St. Louistook
    45 seconds to place each toothpick. If 4781
    toothpicks were used, how many minutes
    did it take her to build the entire model?

Use the bar graph for problems 16 and 17.

16. How many more kits for model aircraft were
    sold than for model buildings?


17. Model car kits cost $8.95 each. How much
    money was spent on model car kits?


18. Write a problem modeled on problem 12
    above. Have a classmate solve it.

300

350

400

250

200

150

100

50

0

Ships Aircraft Cars Buildings

Number Sold

Type of Kit

Model Kits Sold

Use These Strategies

Interpret the Remainder

Write an Equation

Guess and Test

Use Simpler Numbers

Use More Than One Step

Use a Graph

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