Division and Angles
Define acute, obtuse, and right angles.
Acute -- less than 90
Obtuse -- more than 90
Right -- equal to 90
Add or subtract fractions with unlike denominators:
4/3 + 2/5
7/10 - 2/5
5/9 + 2/7
1. 26/15
2. 3/10
3. 53/63
Find the area of a rectangle whose length is 3 cm and whose width is 10 cm.
3 x 10 = 30 cm
The library is being relocated. The librarians are busy organizing the books.
Three boxes filled with fiction books and two boxes filled with reference books were just delivered. If each box is filled with 120 books, how many fiction books are there?
120 + 120 + 120 = 360
There are 360 fiction books.
Take a look at this bar graph.
Answer the following questions:
What do you notice and wonder about this graph?
Where is the x axis?
Where is the y axis?
X axis is horizontal and Y axis is vertical.
Define equilateral, isosceles, and scalene triangles.
Equilateral -- all sides are the same
Isosceles -- 2 are the same, one is different
Scalene -- all sides are different
12/5 + _____ = 4
8/5
In a rectangle, the length is 7 inches and the width is 12 inches. What is the perimeter of the rectangle?
7 + 7 + 12 + 12 = 38 inches
There are about 310 passengers in each car of the city train. As there are 8 cars for each train, there are about ________ passengers on each train.
a. 240 b. 2,400 c. 2,004
b. 2,400 (300 x 8 = 2,400)
Take a look at the bar graph.
Answer the following questions:
1. Which team won the contest?
2. How many points did Team F score?
1. Team H
2. 50 points
Complete long division:
791 divided by 6
131 R 5
Add or subtract the fractions with unlike denominators:
4/8 - 1/4
3/9 + 1/3
2/5 + 1/20
1/4
2/3
1/2
A rectangle has an area of 48 square inches and a width of 4 inches. What is its perimeter?
4 x __ = 48
4 x 12 = 28
Each school bus can take 52 students. 89 school buses can take about __________ students.
a. 4,400
b. 4,500
c. 460
b. 4,500 (50 x 90 = 4,500)
Take a look at the bar graph.
Answer the following questions:
3. How many more points did Team D get than Team G?
4. Which teams scored equally?
3. 40 points
4. Team C and Team F
Complete long division:
780 divided by 7
111 R 3
Add or subtract the fractions with unlike denominators:
4/5 + 9/10
4/6 - 1/3
3/12 + 2/4
1 and 7/10
1/3
3/4
A rectangle has an area of 48 square meters. What are some possible measurements for the length and width of the rectangle?
1 and 48
2 and 24
3 and 16
4 and 12
6 and 8
Sean stumbled on the ground in front of a flock of sheep. She saw 1,888 sheep legs altogether. She stood up and saw about ________ heads of sheep there.
a. 400
b. 500
c. 600
b. 500 (2000 ÷ 4 = 500)
Take a look at the graph.
Answer questions 1 - 3.
5/16
3/16
2/16
Complete long division:
588 divided by 5
117 R 3
Complete the equivalent fractions:
1/6 = x/24
9/12 = 54/x
2/3 = 12/x
4/24
54/72
12/18
A square has an area of 49 square feet. What is its perimeter? (Remember, a square is a special type of rectangle where all sides are equal)
7 x 7 = 49 feet
7 + 7 + 7 + 7 = 28 feet
On Saturday, 351 people are admitted to the aquarium. Over the weekend, there were total of 642 people admitted to the aquarium. Were there more people going to the aquarium on Saturday or on Sunday?
642 – 351 = 291
On Sunday, there were 291 people admitted to the aquarium.
There were more people going to the aquarium on Saturday.
Take a look at the graph.
Answer questions 4-6.
7/16
9/16
Green