Problem #1
What is the value of the whole number N, if
N = 1/2 of 2/3 of 3/4 of 4/5 of 100?
Problem #2
Ana divides the number N by 8 correctly and gets .25 as her answer. Barney multiplies the same number N by 8. What answer should he get?
Problem #3
At a special sale, all shirts sell at one price and all caps sell at another price. Kathy pays $30 for 3 shirts and 2 caps. Marc pays $23 for 1 shirt and 5 caps. For how many dollars does each shirt sell?
Problem #4
At the Math Store each circle costs one amount and each square costs another amount. Five circles plus one square cost 20 cents. Two circles plus three squares cost 21 cents. At these prices, how many cents does twelve circles plus five squares cost?
Problem #5
Every person in a room shakes hands with each other person in the room exactly once. There are total of 15 handshakes. How many people are in the room?
Problem #6
Each row of *s has two more *s than the row immediately above it, as shown. Altogether, how many *s are contained in the first twenty rows?
*
***
*****
*******
Problem #7
Maria writes the same whole number instead of ? and get a true statement. Jon does the same as Maria and also gets a true statementon and Maria choose different numbers. What two numbers do they choose?
12 + (? x ?) - (7 x ?) = 0
Wednesday, January 25, 2012
Thursday, January 5, 2012
Math problems for Jan. 6 2012
Problem #1 - Book 2/Set1/1E
Ben and Jerry start with the same number of trading cards. After Ben gives 12 of his cards to Jerry, Jerry then has two times as many cards as Ben does. How many cards did Ben have at the start?
Problem #2 - Book 2/Set1/2E
Admission to the local movie theater is $3 for each child and $7 for each adult. A group of 12 people pay $64 admission. How many children in this group?
Problem #3 - Book 2/Set1/4E
At a special sale, all pens are sold at one price and all pencils at another price. If 3 pens and 2 pencils are sold for 47 cents, while 2 pens and 3 pencils are sold for 38 cents, what is the cost of a set of one pen and one pencil, in cents?
Problem #4 - Book 2/Set 2/1E
The average weight of a group of children is 100 pounds. Todd, who weighs 112 pounds, then joins the group. This raises the average weight of the group to 102 pounds. How many children were in the original group?
Problem #5 - Book 2/Set 1/1A
What is the value of the following, in simplest terms?
(20 x 24 x 28 x 32) / (10 x 12 x 14 x 16)
Problem #6 - Book 2/ Set 1/1B
Roni starts with the number 5 and counts by 8s. This results in the sequence
5, 13, 21, 29, 37, and so on. What is the twenty-fifth number in the sequence?
Problem #7 - Book 2/ Set 1/1D
A represents a counting number. Find the value of A if
(A + A)/(A x A) = 1/3
Ben and Jerry start with the same number of trading cards. After Ben gives 12 of his cards to Jerry, Jerry then has two times as many cards as Ben does. How many cards did Ben have at the start?
Problem #2 - Book 2/Set1/2E
Admission to the local movie theater is $3 for each child and $7 for each adult. A group of 12 people pay $64 admission. How many children in this group?
Problem #3 - Book 2/Set1/4E
At a special sale, all pens are sold at one price and all pencils at another price. If 3 pens and 2 pencils are sold for 47 cents, while 2 pens and 3 pencils are sold for 38 cents, what is the cost of a set of one pen and one pencil, in cents?
Problem #4 - Book 2/Set 2/1E
The average weight of a group of children is 100 pounds. Todd, who weighs 112 pounds, then joins the group. This raises the average weight of the group to 102 pounds. How many children were in the original group?
Problem #5 - Book 2/Set 1/1A
What is the value of the following, in simplest terms?
(20 x 24 x 28 x 32) / (10 x 12 x 14 x 16)
Problem #6 - Book 2/ Set 1/1B
Roni starts with the number 5 and counts by 8s. This results in the sequence
5, 13, 21, 29, 37, and so on. What is the twenty-fifth number in the sequence?
Problem #7 - Book 2/ Set 1/1D
A represents a counting number. Find the value of A if
(A + A)/(A x A) = 1/3