Title: Put your calculator away and solve the following:
1- Put your calculator away and solve the following
- 2 3/4 1 3/8
- 2 1/10 1 4/5
- 1 3/5 1/4
- 6 2/5 2 2/3
2Mr. Turner distributed some supplies in his
office. He distributed 120 pencils, 300 paper
clips, and 16 pens. What is the greatest number
of people there can be in the office if each
person received the same number of items?
3The baseball league bought new equipment for the
teams. The managers bought 288 baseballs, 40
bats, and 24 equipment bags. How many teams are
there if all the new equipment is distributed
equally among the teams?
4- Tell whether each number is prime or composite.
If the number is composite, list its factors. - 74 2. 73
- 3. 83 4. 23
- 5. 51 6. 91
- 7. 109 8. 211
5- Write the prime factorization of each number.
- Example 180 2 x 2 x 3 x 3 x 5
- 70 2. 92 3. 120
- 4. 118 5. 500 6. 1,122
6Using Venn diagrams to find GCF and LCM Find the
GCF and LCM of 24 and 40.
24
40
GCF 2 2 2
LCM 3 2 2 2 5
2
2
2
3
5
7- Use a Venn diagram to find the GCF and LCM of the
following - 20 and 42
- 56 and 63
- 48 and 72
8Gleamy-Tooth toothpaste comes in 2 sizes 9 oz
for 0.89 and 12 oz for 1.19.
- What is the LCM of 9 and 12?
- If you bought that much toothpaste in 9-oz tubes,
how much would it cost? - If you bought that much toothpaste in 12-oz
tubes, how much would it cost? - Which tube gives you more Gleamy-Tooth for the
money?
9A machine at a local factory has 3 gears. One
gear must be replaced every 3 months, another
every 5 months, and the third every 6 months.
All of the gears were just replaced. How long
will it be before all 3 gears will need to be
replaced at the same time again?
10There were 11 days of rain one month in Boston.
Of the remaining days, two-fifths were sunny,
one-fourth were cloudy, and it snowed on the
other 7 days. How many days were in the month?
11A rational number is a number you can write as a
ratio of two integers in the form a/b, where b
0. Write each rational number as a ratio in the
form a/b. 1. -5 2. 0.63 3. -3.9 4. 4
5/6
12- Graph each set of rational numbers on a number
line. - -3, 2/3, 2.75, -1/2, 1.875, -3/4
- 2/5, 1.4, -2, 2¼, -1½
-
-3
-2
-1
0
1
2
3
-3 -2 -1 0 1
2 3
13- Write each fraction or mixed number as a decimal.
- 7/20 2. -4 7/8
- 3. -2/3 4. -3 7/10
14Write each decimal as a fraction or mixed number
in simplest form. 1. 0.006 2. -4.8 3.
0.97 4. 3.082 5. -0.28 6. 7.3
15- Compare. Use ,
- -4/9 -5/8 2. 1/3 6/18
- 5/7 0.63 4. -0.76 -3/4
16- Chriss aunt is giving him a birthday party. She
wants to give the same number of balloons,
puzzles, and baseball cards to Chris and each
guest. Balloons come in packages of 10, puzzles
in packs of 8, and baseball cards in packs of 5.
There are 7 guests. - How many packages of each item should Chriss
aunt buy so that no items are left over? - How many of each item will each child receive?
17- Ms. Daniels drove at a steady speed of 80 kph for
4½ hours. How far did she drive in this time? - The Watsons spend 1/5 of their income for food,
1/4 for housing, 1/6 for clothing, 1/10 for
medical expenses, and 1/5 for miscellaneous
things. They save the rest. What part of their
income do they save?
18- With tips, Bonnie made 30 from her paper route
last week. She spent a total of 6 2/3 hours on
her route last week. On the average, how much an
hour did she make from it? - A TV set was on sale for ¼ off. The usual price
was 320. What was the sale price? - Joe makes 3 an hour doing odd jobs. How much
will he make doing odd jobs if he works 3 ½
hours? 35 minutes? 7 hours 50 minutes?
19Ramonas brother is 2/3 as old as she is. She is
1/2 as old as her father. Her mother is 5/6 as
old as her (Ramonas) father. In ten years,
Ramonas father will be 52. How old is Ramonas
father? Ramonas mother? Ramona? Ramonas
brother?
20Eight people shared equally in 5½ pies. How many
pies did each person get?