Equations I
17+(24x2)=
65
(18-7)x3
33
Is 12 a prime or composite number? If composite, name some factors other than 24 and 1.
Composite - 2x6, 3x4
The bakery baked 160 donuts and 180 croissants before the shop is opened. The first customer came in and bought 2 dozen donuts and 6 croissants. How many donuts and croissants were left?
136 donuts, 174 croissants
Fill in the blank with the correct symbol: 1/2 _ 1/5
a. <
b. >
c. =
b. >
8x(3x4-8)+10
42
(67-18)÷7×3
21
Is 17 a prime or composite number? If composite, name factors other than 1 and 17.
Prime
A jar of honey is $2.40. How much do 4 jars of honey cost?
9.60
There is a jar containing 10 blue marbles, 5 black marbles, and 7 green marbles. If you placed your hand in the jar and picked a marble at random, what is the chance that you will get a green marble? Write your answer in fractions.
7/22
75-6x7+12 =
45
(14-8)x(10+2)+7
79
Is 24 a prime or composite number? If composite, name some factors other than 24 and 1.
Composite - 2x12, 3x8, 4x6
In a car factory, there are 8 assembly lines. There are 2 supervisors and 12 workers working on each assembly line. How many people are there in total in the car factory?
112 people
Jennie makes quilts. She can make 7 quilts with 21 yards of material. How many yards of material would be required to make 28 quilts?
84 yards
8x5-26+14÷2=
7x6-(5+12)x2=
8
Is 45 a prime or composite number? If composite, name factors other than 45 and 1.
In a hospital, there are 9 doctors, 101 nurses and 26 wards. In each ward, there are 16 beds. How many beds are there in total?
416 beds
On Thursday the Meat King Market sold 210 pounds of ground beef. On Friday they sold twice that amount. On Saturday they only sold 130 pounds. How much more meat did they sell on Friday than Saturday?
290 pounds
158-3(2+5)²=
11
9+(5x3)²-12=
222
T or F: All even numbers are composite numbers.
False - 2 is a prime number
In a hospital, there are 9 doctors, 101 nurses and 26 wards. If each ward requires 3 nurses to be on duty, how many nurses are working in the ward in total?
78 nurses
Alex and Lily were playing touch football against Abby and Jeff. Touchdowns were worth 7 points. Alex and Lily scored 7 touchdowns. Abby and Jeff's team scored 9 touchdowns. How many more points did Abby and Jeff have than Alex and Lily?
14 points