7th Grade Math

(Marvins-Underground-K-12) #1
= Step-by-Step Solutions begin on page R1.
Extra Practice begins on page EP2.

Examples 1 and 2 Complete. Round to the nearest hundredth if necessary.


  1. 5 in. ≈  cm 10. 15 cm ≈  in. 11. 2 L ≈  qt 12. 650 lb ≈  kg

  2. 4 qt ≈  L 14. 10 mL ≈  c 15. 63.5 T ≈  kg 16. 50 mL ≈  fl oz

  3. 54 cm ≈  in. 18. 17 mi ≈  km 19. 32 gal ≈  L 20. 350 lb ≈  kg

  4. 19 kg ≈  lb 22. 3 T ≈  kg 23. 6 in. ≈  cm 24. 12 in. ≈  m


Example 3 25. COMPUTERS A notebook computer has a mass of 2.25 kilograms. About
how many pounds does the notebook weigh?


  1. TREES A Cabbage Palmetto has a height of 80 feet. What is the estimated
    height of the tree in meters?

  2. BUILDINGS The Willis Tower has a height of 1,451 feet. What is the
    estimated height of the building in meters?


B 28. WATER Which is greater, a bottle containing 64 fluid ounces of water or a
bottle containing 2 liters of water?

2929 FOOD Which box is greater, a 1.5-pound box of raisins or a 650-gram box
of raisins?


  1. BAKING A bakery uses 900 grams of peaches in a cobbler. About how
    many pounds of peaches does the bakery use in a cobbler?


Determine which quantity is greater.


  1. 3 gal, 10 L 32. 14 oz, 0.4 kg 33. 4 mi, 6.2 km

  2. RATES Velocity is a rate usually expressed in feet per second or meters
    per second. How can the units help you calculate velocity using the
    distance a car traveled and the time recorded?

  3. GRAPHIC NOVEL Refer to the graphic novel at the start of the chapter.
    Convert all of the distances from meters to feet. Round to the nearest
    hundredth if necessary.


We use lots
of math in
science class.

Lesson 1D Convert Measurements 637

631_638_C11_L1_895130.indd 637 12/31/09 8:57 AM

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