PRIME & COMPOSITE NUMBERS
Which of the following is NOT a prime number?
17
13
29
27
27
Solve the following:
27 divided by (7-4) + 2 x 5
19
Ms. Valencia buys 8 tickets for the school movie night. One fourth of the tickets are adult tickets. Adult tickets cost $6 each. Which equation could be used to find t, the cost of the adult tickets Ms. Valencia bought?
(8+4)+6=t
(8 divided by 4) x 6 = t
(8x4x6)=t
(8 divided by 4) - 6 = t
(8 divided by 4) x 6 = t
Lori's dad buys a gas grill. What type of tax does Lori's dad pay at the store?
Sales tax
Broderick correctly represents a composite number as the product of a pair of prime factors. Which equation could show Broderick's work?
5x5=75
7x17=119
9x9=171
11x21=231
7x17=119
[(9-2)x(2+1)]divided by (1/4 + 3/4)]
21
Wayne counts the number of bikes and cars in the school parking lot. There are 13 bikes and 98 cars. Which equation can be used to find t, the number of tires in the parking lot?
(13x4) + (3+t)= 98
98-(13x2)=(4+t)
(13x2) + (98x4)=t
98 divided by (13x2)=(4xt)
(13x2) + (98x4) =t
For which of the following might property taxes be used for?
Rangers for the national parks
Social security
Uniforms for soldiers
A new roof for the school
A new roof for the school
Which number below is a prime factor of 111?
1
111
37
17
37
Solve the following:
(1/3 + 3 2/3) divided by 2 x 5
10
Jennie has 7 tickets for carnival rides.
The Ferris wheel costs 4 tickets The roller coaster costs 6 tickets The merry go round costs 3 tickets
To ride all three rides which equation shows t the number of additional tickets needed.
t=4+6+3-7 (t=7 tickets)
t-7=4+6+3 (t=20 tickets)
t=7+4+6+3 (t=20 tickets)
t=4+6+3-7 (t=6 tickets)
t=4+6+3-7 (t=6 tickets)
On Monday a family used a credit card to pay the doctor. On Tuesday they wrote a check to pay for a car repair. On Wednesday they used a debit card to pay for a haircut. On Thursday they used an electronic payment from a checking account to pay for a dental bill. How many times did the family borrow money?
One time
Which group of numbers includes only composite numbers?
81,83,85,87
105,106,108,109
96,97,98,99
51,55,57,58
51,55,57,58
Solve the following:
4+7 divided by (5 1/2 + 1 1/2) x 3 - 2
5
Celia counted the number of cars that drove past her house. For every 8 cars she put a check mark. She had 6 check marks. She saw 3 more cars after the last check mark. Put the correct symbols in to find c, the total number of cars Celia saw.
c=6 8 3
c=6x8+3
John's net pay is $2,275 per month. His monthly budget is $1,800. How much can be budgeted for a car payment?
$475
What factor of 144 is neither prime nor composite?
1
Simplify the following:
40-[(30 divided by 5) x 3]
22
Complete the equation and find c, the change received after paying $200 for 2 bats and 3 helmets.
1 bat = $60 1 helmet=$25
c=200 ? [(2 ? 60) ? (3 ? 25)]
c=?
c=200-[(2x60) + (3x25)]
c=$5
Marvin earns $205 in the month of May for mowing lawns. His budget includes the following:
Phone $50 ; Shoes $65; Savings $20; Clothing $35
How much can he use for entertainment to have a balanced budget?
$35