The 4 Operations
What is the perimeter of a field that has a length of 8.25 ft. and a width of 3.25 ft.?
23 ft
In a fraction, the (numerator / denominator) gets divided by the (numerator / denominator) .
The NUMERATOR gets divided by the DENOMINATOR.
Ex. 8/5 = 8 ÷ 5 = 1.6
Which coordinate comes first in an ordered pair?
Josh combined 1/2 carton of eggs with 1/3 carton of eggs. He said, "Now if have 4/5 of a carton of eggs." is he correct?
No, the common denominator is 6.
3/6 + 2/6 = 5/6
When multiplying .03 x 4.29, the decimal will be placed ___ digits to the left of the product.
4 digits
(0.1287)
(5 x 3.1) + 2.5 =
(15.1) + 2.5 = 17.6
1/3 + 2/4 =
The common denominator to add the fractions is 12.
4/12 + 6/12 = 10/12 or 5/6
P_______________ must surround an ordered pair, otherwise it is just two numbers separated by commas.
Parentheses
( )
If there are 7 dogs and 4 treats, how much treat will each dog receive?
7 ÷ 4 = 1.75 or 1 3/4
Subtract.
26.983 - 2.09 =
24.893
(5.23 - 4.2) + (.45 - .2) =
(1.03) + (.25) = 1.28
6/10 - 2/5 =
The common denominator is 10.
6/10 - 4/10 = 2/10 or 1/5
The Y coordinate moves horizontally?
True or False
F - the Y coordinate moves vertically
Bill is buying a larger aquarium for his fish. The height is 3 feet, the length is 6 feet and the width is 2 1/2 or 2.5 feet. What is the volume of the aquarium?
3 x 6 x 2.5 = 45 sq ft
3 x 6 x 2 1/2 = 45 sq ft
Which is number is greater?
1.2690 or 1.26
1.2690
*The value of the thousandths place is 9, rather than nothing or 0.
When do you need a whole number when working with decimals?
a. division
b. multiplication
c. addition and subtraction
d. all of the above
a. division
T or F. 1/2 = 0.5
True. 1/2 is equal to 0.5
If you double the X coordinate and leave the Y coordinate the same, the image will get:
a. taller
b. wider
c. taller and wider
b. wider
Four friends shared 5 sandwiches after their hike. If they each ate an equal share, how many sandwiches did each friend eat?
5/4 = 1 1/4
Add.
15.908 + 3.21 =
19.118
When do you line up the decimal points?
a. division
b. multiplication
c. addition and subtraction
d. all of the above
c. addition and subtraction
John bought 4 pounds of carrots, 2 pounds of cucumbers and 3 pounds of peppers. He is splitting all the vegetables between 6 friends.
Write a fraction to show how many pounds of vegetables each friend will get.
1 3/6 = 1 1/2
On a map, how far is point (5, 3) away from the origin?
8 blocks
(5 blocks to the right 5 and 3 blocks up)
3 1/4 - 2 3/4 = 1 2/4 or 1 1/2
Divide.
3.159 ÷ 0.26 =
12.15