ADDING AND SUBTRACTING
Subtract .001 from .01
.009
__________________________
1 / 1.1 / 1.2 / 1.3 ............ / 2
On a school trip, a class travels 2.38 kilometers by train and 5.4 kilometers by bus. How far did the class travel?
7.78 km
If Kelsey has these coins in her piggy bank, how much money does she have?
6 pennies
4 dimes
10 nickles
9 quarters
$3.21
What is 1/5 in decimal form?
.2
100.3 + 9.85
110.15
Draw a vertical number line, showing all decimals between 7 and 8, with an interval of 1/5.
7
l 7.2
l 7.4
l 7.6
l 7.8
___ 8
CHECK FOR - equal intervals. correct placement of mid-point (between 7.4 and 7.6)
A car travels 7.03 kilometers. A van traveled 0.13 kilometer less than the car. How far did the van travel?
6.9 KM
You spend $6.50 on a pair of gloves. You now have $7.00. How much money did you have originally?
$13.50
Name 4 fractions that are equal to .5
1/2
2/4
3/6
5/10
100/200 ..............ETC
16.001 - 12.984
3.017
Draw a vertical number line to show all decimals between 4.5 and 4.6 with two decimal places.
VERTICAL LINE WITH EQUAL INTERVALS:
4.51
4.52
4.53
4.54
4.55
4.56
4.57
4.58
4.59
A beef sandwich has two slices of bread with a layer of meat between them. Each slice of bread is 1.4 cm thick, and the meat is 0.5 cm thick. How thick is the sandwich?
3.3cm
You receive $50 for your birthday. You buy a book for $14.95 and a baseball cap for $24.95. How much money do you have left?
$10.10
What is .44 in SIMPEST fraction form?
11/25
20 – 14.8 - 0.018
5.182
Draw a horizontal number line from 0 to 1 and show the following:
.5
1/5
1/10
16/20
l----l----l----l----l----l----l----l----l----l----l
0 1/10 1/5 .5 16/20 1
NOTE - 1/10 IS AT .1
1/5 IS AT .2
.5 IS AT MIDPOINT
16/20 IS AT .8
Ben is 0.07 meter taller than Cindy. Charles is 0.12 meter taller than Ben. Ben is 1.5 meters tall. What is their total height?
4.55 METERS
Jacob had $340.87 in his checking account. He withdrew $52 and wrote a check for $18.72. Find his new balance.
$270.15
Explain, in words, how you make two fractions have a common denominator.
* Find a number that is a common multiple of both denominators
* Multiply the TOP and the BOTTOM of each fraction by the same number
124.8 + 3.79 – 118.965
9.625
Draw a vertical number line between 0 and 2 with intervals of one-tenth. Label the following points:
4/20
.65
70/100
3/5
8/10
1.75
*Show teacher.
Zach had a rope that was 15 feet long. He cut it into 3 pieces. The fi rst piece was 3.57 feet longer than the second piece. The third piece was 2.97 feet longer than the second piece. How long was the third piece of rope?
5.79 FEET
A fish bowl costs $43.20 and fish food costs $5.15. Each fish costs $4.10.
Nolan wants to buy a bowl, food, and as many fish as he can. If he has $58.50, how many fish can he buy?
He can buy 2 fish.
He will have $1.95 left over.
ROUND EACH OF THESE DECIMALS TO THE NEAREST TENTH, THEN FIND THE SUM:
34.3984
3.928
104.018
142.3
34.3984 = 34.4
3.928 = 3.9
104.018 = 104.0