Fractions
3/10 - 1/4 + 4/5
A. 9/10
B. 6/11
C. 6/20
D. 17/20
D. 17/20
1.04 + 7.2
8.24
What is the value of the 6 in the number 987.654
6 tenths, .6, .60, 60 hundredths
How is an order pair written?
(X,Y)
(5 + 2) x 11 - 3
74
5/4 divided by 1/2
KCF: 5/4 X 2/1 = 10/4 = 2 1/2
5.6 X 4.3
24.08
The 2 in 2,456.9 is how many times the value of the 2 in 9817.256?
10,000
2 in 2,456.9 is in the thousands place
2 in 9817.256 is in the tenths place
Complete the Input/Output table:
Input / Output
1 3
3 9
5 15
15
20
15 X 3 = 45
20 X 3 = 60
678 x 23
15,594
9/10 - 1/5
7/10
What is the rule for adding and subtracting decimals?
Line up the decimals and places of numbers, then add/subtract like normal
What number is represented by this expression?
4 X 100 + 1 x 10 + 6 x 1 + 8 x 1/10 + 2 x 1/100
416.82
In which direction do you move on the x axis?
Across/over to the right
5642 divided by 12
470 R2
Ms. Stiles own 2/3 of a plot of land. On 1/4 of the land she plants tomatoes. How much of the whole plot of land is planted with tomatoes?
2/3 X 1/4 = 2/12 = 1/6
984 divided by 2.4
SLIDE---- 2.4 becomes 24
SLIDE in the house___ 984 becomes 9840
Then, RAISE THE ROOF to divide
410
10 to the fourth power
This is telling us how many times to mulitply 10 by itself
In which direction do you move on the y axis?
Up/vertically
There are 120 students going on a field trip to a museum. Each bus can hold 24 students. How many buses will the school need to get all students to the museum?
5 buses
What is the rule with multiplying fractions?
What is the rule with dividing fractions?
multiplying fractions- multiply across and then simplify **if there is a mixed number, it needs to be converted first
dividing fractions- keep the first number, change the operation to X, flip the second number; then multiply like normal
Maria had $345.90. She spent $29.08 at the mall. How much money does she have left over?
$316.82
Round 456.789 to the nearest hundredth
456.79
A person walked to the write 6 places and then went up a hill 12 places. What ordered pair would mark the point she stopped at?
(6,12)
Ms. Stiles bought 15 boxes of pencils. In each box there are 24 pencils. How many pencils did she buy in all?
360