4th Grade Math
For every 7 blue chips there are 3 red chips. In a pile of 320 blue and red chips, there are ____ more blue chips than red chips?
128
A can filled with paint weighs 12 pounds. After 1/2 the paint is removed from the can, the can with remaining paint weighs 7 and 1/2 pounds. The weight of the empty can is ____ pounds.
3
5.97 x 4
23.88
Susan's age is 1/2 Terry's age. Susan is 11 years younger than Terry. How old is Terry?
22
You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made. Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?
2: At each bridge you are required to give half of your cakes, and you receive one back. Which leaves you with 2 cakes after every bridge.
256 - 189
67
DOUBLE THE POINTS (400 POINTS) Max plans on traveling 2400 yards. He intends to first run 200 yards at the rate of 5 yards per second, then walking 100 yards at the rate of 2 yards per second. He will repeat this process until he has gone 2400 yards. It will take Max ____ minutes to travel the 2400 yards.
12 min
Object A can travel 1 mile in 20 seconds. Object B can travel 100 times the speed of object A. Object B travels ___ miles per second.
5
Four cartons of food are to be shared equally by 6 people on a 7-day hike. Express, in simplest form, the fractional part of a carton each person will consume EACH DAY.
2/21
You have $10.60 in two bills and three coins. What bills and coins do you have?
You have 2 five dollar bills and 2 quarters and one dime.
A number machine takes any number put into it, multiplies it by 2 and then adds 6. The number 11 is fed into the machine. The number that comes out is fed BACK into the machine. What is the FINAL number that comes out of the machine?
62
The total ticket price for 6 adults is the same as the total ticket price or 14 children at the Theater. That means ____ children would be able to see the movie for the same total cost as 21 adults.
49
12 • x = 24
2
Three sisters, Harriet, Theresa and Mona were each given an amount of money that was determined by multiplying half their age by their grandfather's age. The ages of the 3 girls totaled 52 years and the total amount of money they received was $1924. How old is their grandfather?
74
2x + 5 = 19 Solve for x.
x = 7
The greater fraction: 3/8 5/9 1/2
5/9
A, B and C represent different digits. AB represents a 2-digit number. AB + C = 50 and BC + A = 41. What are the values for A, B and C?
A = 4 B = 3 C = 7
Simplify this equation: 3x + 5+ 4x + x + 3
8x + 8
4 - 5
-1
Jessica bought 4 bags of potato chips for a party. When she found out that more people were coming than expected, she went back to the store and bought two more bags of chips. Which number sentence could you use to find out how many bags of chips she bought?
A. 4 + 2 = n
B. 4 - 2 = n
C. 4 ÷ 2 = n
D. 4 × 2 = n
A. 4 + 2 = n
The greater decimal between 2.7 or 2.680
2.7
6/10 x 7/10 (provide simplified answer as well)
42/100 (or 21/50 if simplified)
Simplify this equation: 4(3x+5)
12x +20
Simplify this equation: 4(2x - 6)
8x - 24
The school copier makes 42 copies per minute. The copier ran for 9 minutes. What equation can the school use to find the total number of copies (c) made during that time?
A. 42 - c = 49
B. c + 9 = 42
C. 42c = 9
D. c/42 = 9
C. 42c = 9