Convert Units (Length)
How many feet in 1 yard?
3 ft = 1 yd
2/9 + 4/9 =
6/9 = (6 '/, 3) / (9 '/, 3) = 2/3
6: 1, 2, 3, 6
9: 1, 3, 9
4,936,000 - 2,518,789 =
2, 417, 211
Which number is bigger; 1.345 or 1.2581?
1.345 is bigger. Both numbers have a 1 in the 1s place (the same). A 3 in the tenths place is worth more than a 2 in the tenths place. All the other numbers are in lower (smaller) place values.
200cm = _______m
Small to big: '/,
200cm '/, 100cm in a meter = 2m
1/8 + 5/24
1/3
8: 8, 16, 24...
24: 24, 48...
1/8 x (3/3) =3/24
3/24 + 5/24 = 8/24
8/24 '/, (8/8) = 1/3
9 x 9 =
81
5.67 - 3.091
2.579
4 miles = ________ ft
Big to small: x
4mi x 5,280ft in a mile = 21,120ft
7/8 - 1/3 =
13/24
8: 8, 16, 24...
3: 3, 6, 9, 12, 15, 18, 21, 24...
7/8 x (3/3) = 21/24
1/3 x (8/8) = 8/24
21/24 - 8/24 = 13/24
144 '/, 12 =
12
9.72 x 7 =
68.04
Lizbeth is wrapping presents for the holidays. Each present needs 6 inches of ribbon. If he has 30 yards of ribbon, how many presents can he wrap?
30 yards = __________ in : Big to small; x
30 yd x 36in in a yd = 1080in of ribbon
1080in '/, 6in per gift = 180 gifts
She can wrap 180 gifts
2/9 x 7
2/9 x 7/1 = (2x7)/(9x1) = 14/9
14 '/, 9 = 1 r5 = 1 5/14
1 5/14
Mayrin is helping Ms. Cruz organize her books. She has 1,430 books, and 20 shelfs. She wants to put the same number of books on each shelf. How many books should she put on each shelf? How many books will be left over?
1,430 '/, 20 = 71 r 10
71 books on each shelf with 10 left over.
29.4 '/, 0.25 =
(Answer to the tenths place)
Move the decimal twice so 0.25 becomes 25 and 29.4 becomes 2940
29040 '/, 25 = 117.6
Kali has 12 boxes of pens. Each box is 12.5 mm think. if she stacks the boxes together, how many CM thick is the whole stack?
12.5 mm x 12 = 150mm
150mm = _________cm; small to big : '/,
150mm '/, 10 mm in a cm = 15 cm
The stack is 15 cm think.
8 2/5 - 6 1/3 =
2 1/15
8 2/5 - 6 1/3 = (8 + 2/5) - (6 + 1/3) =
8 + 2/5 - 6 - 1/3 = 8 - 6 + 2/5 - 1/3 =
2 + 2/5 - 1/3
5: 5, 10, 15...
3: 3, 6, 9, 12, 15...
2/5 x (3/3) = 6/15
1/3 x (5/5) = 5/15
2 + 6/15 - 5/15 = 2 + 1/15 = 2 1/15
336 x 240 = 80,640
80, 640 people
Ms. Drizin is buying supplies for her garden. She buys 2.5 bags of seeds for $2.20 per whole bag. She also buys 4.5 bags of soil for $1.80 per whole bag. If she pays with a $15.00 bill, how much change should she get?
$1.40 in change
2.5 x 2.20 = 5.50
4.5 x 1.80 = 8.10
5.50 + 8.10 = 13.60
15.00 - 13.60 = 1.40