quiz 8, 2.5 - 2.9 Flashcards Preview

8th Math - Pre-Algebra > quiz 8, 2.5 - 2.9 > Flashcards

Flashcards in quiz 8, 2.5 - 2.9 Deck (10):
1

t or f. Ancient weights and measures often varied.

T

2

t or f. 5 ft. 2 in. = 50 in.

False. 5 x 12 = 60 in. plus 2 = 62 in.

3

t or f Speed can be found using the formula
s = d/t (d = distance, t = time)

T

4

t or f 4 ft. 8 in. = 4 3/4 in.

false. should be 4 3/4 ft.

5

t or f A car traveling 30 mph is covering 44 ft./min.

false. 1 mile = 5280 ft., so 30 miles is 158400 ft. 1 hr = 60 min.
158400 ft. / 60 min. = 2640 ft/min

6

3 lb. 6 oz
-1 lb. 8 oz
----------------

2 lb. 22 oz.
-1 lb. 8 oz.
_________
1 lb. 14 oz.

7

7 ft. 8 in.
+3 ft. 4 in.
---------------

10 ft. 12 in. = 11 ft.

8

4 hr. 17 min.
x 4
------------------

16 hr. 68 min. =
17 hr. 8 min.

9

15 yr. 10 mo. divided by 5

3 yr. 2 mo.

10

25 yd. 4 in. divided by 8

divide 8 into 25. It goes 3 times with 1 yd. left over. Add that 1 yd (36 in.) to the inches. 36 + 4 = 40. 40 divided by 8 = 5. Answer is
3 yd. 5 in.