Fractions
The top and the bottom of a fraction are called what?
Top- Numerator
Bottom- Denominator
What is the area and what is perimeter?
Area is how much space is inside an object, perimeter is the distance outside of the shape.
(Area= grass, perimeter= fencing)
Round 356 to the nearest ten.
356 ≈ 360
Extra 100 points: What numbers in 356 do we look at in order to round to the nearest ten?
What is the name of the electronic clock that tells the time using only digits?
A digital clock!
A division problem shows us: 12 / 4
How can we rewrite this problem to help us solve this?
12 = 4 x _____
or
4 x ____ = 12
Which fraction is LARGER:
1/4 or 3/4?
3/4
100 extra points: WHY is 3/4 larger?
How do we solve for area?
How do we solve for perimeter?
Area is two sides multiplied. (length x width)
Perimeter is all four sides added up. (side+side+side+side)
Round 863 to the nearest hundred.
863 ≈ 900
If thirty minutes has passed by 10 am, what time is it in words?
10:30 = Half past ten
Corrigan has 18 stickers, she wants to give each of her 3 friends an equal amount.
What equation can Corrigan use to help her give her friends an equal amount of stickers?
18 / 3 = _______
18 = 3 x ______
3 x ______ = 18
A shape has 6 equal parts, 3 of them are colored in, how many equal parts are colored in?
3/6
Extra 100 points: What is a fraction EQUIVALENT to 3/6?
Solve the perimeter of a rectangle that has one side of 4 inches and another side of 6 inches.
Perimeter = all four sides added up
Perimeter= 4in + 4in + 6in + 6in = 20 inches.
(Round each to the nearest hundred and solve)
478 ≈ 500
178 ≈ 200
500 + 200 = 700
If there is 15 minutes until 5 o'clock, what time is it in words?
4:45 = A quarter to five.
This "chart" shows how many miles each student ran:
x = 5 miles
How many miles did each student run?
Bryant = x x x x
Verna = x x x x x
Matty = x x x
Bryant = x x x x ( 5+5+5+5) = 20 miles
Verna = x x x x x ( 5+5+5+5+5 ) = 25 miles
Caleb = x x x ( 5+5+5 )= 15 miles
Extra 100 points: How else could we have solved this without addition?
Change this fraction to have a denominator over 100:
2/10 = x/100
2/10 = 20/100
Extra 100 points: What is the special rule when multiplying fractions?
What is the area of a rectangle that has the sides of 5 inches and 8 inches?
Area= length x width
Area = 5in x 8in = 40 inches2
Extra 100points: What is the difference in how we label area vs. perimeter?
Hint: Look at the answer to our question.
Round 523 to the nearest ten
523 ≈ 520
Extra 100 points: What number in 523 did you look at for your rounding?
If 15 minutes has passed since 7 o'clock, what time is it in words?
7:15 = A quarter past 7
John bought 2 Pokemon card packs, each card pack costs $7.00.
If he gave the cashier $20.00, how much change should he get back?
2 card packs x $7 each = $14.00 for card packs
$20.00 - $14.00 = $7.00 in change
Draw a full number line using the fraction 1/6, and circle the points: 2/6 and 4/6.
x_____x______x______x_____x_____x_____x
0/6 1/6 2/6 3/6 4/6 5/6 6/6
Extra 100 points: What are the two whole numbers on a number line?
If a shape has an area of 35inches2 and we know one side of the shape is 7 inches, what is the length of the missing side?
Area = length x width
35in2 = 7in x ______in
Missing side = 5in
Solve using rounding: 32 + 78
(Round each to the nearest ten and solve)
32 ≈ 30
78 ≈ 80
30 + 80 = 110
If I was supposed to be in school at 9:15 am, and I showed up two hours late, what time did I go to school at?
9: 15am + 2 hours = 11:15am
Extra 100 points: Why is it so important to make sure you out either am or pm?
BKS is having a field trip for the kindergartners, we have 3 buses available and 30 kids can go on each bus. How many kindergartners went on the field trip?
3 buses x 30 children = 90 children in total!