Prime Numbers
Prime Factorization
Perimeter and Exponents
Problem Solving
Area
100
Is the number 17 prime or composite?
Prime
100
Find the prime factorization of 8
2x2x2 -->23
100
The garden plot needed to be tilled up before planting. The length was 20 feet. The width was 10 feet. How much fencing will he need to put around the garden?
20ft + 20ft + 10ft + 10ft = 60 ft
100
Ms. Loegering is teaching her reading rotation group that has 15 students. How many different arrangements can she make with the chairs?
(THINK ARRAYS or FACTOR PAIRS)
1x15, 3x5, 5x3, 15x1
100
The garden plot needed to be tilled up before planting. The length was 20 feet. The width was 10 feet. What was the area of the garden?
Write the formula, insert the numbers, solve and label.
A = bh (A=lw)
A = 20 x 10
A = 200 ft2
200
Find the prime number: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
2, 3, 5, 7, 9, 11
200
Use a factor tree to find the prime factorization of 12.
prime factorization: 2x2x3 --> 22 x 3
200
Find the perimeter of the triangle. Solve and label.
P = 16in + 15in + 19in
P = 50in
200
There are 28 students in room 14. They will be working on group projects. Ms. L. wants all the groups to have an equal number of students. How can the students divide into groups?
1x28, 2x14, 4x7, 28x1, 14x2, 7x4
DOUBLE JEOPARDY...
Which arrangement will she most likely use and why?
200
How does knowing the area of a rectangle help us find the area of a triangle?
The area of the rectangle can be divided by 2 or split in half.
The area of the triangle is half as big.
300
Tell whether each of the following numbers is prime or composite:
a. 19
b. 21
c. 23
d. 29
a. prime
b. composite
c. prime
d. prime
300
What is the prime factorization of 144?
2x2x2x2x3x3 --> 24 x 32
300
Find the perimeter of the parallelogram. Solve and label.
P = 10in + 6in + 10in + 6in
P = 32in
300
In a close election, Mrs. Callahan received 2,346 votes. Mr. Devlin received 1,498 votes. How many more votes did Mrs. Callahan receive? How many votes were cast in all?
Mrs. Callahan received 848 more votes. 3591 votes were cast in all.
300
Find the area of the triangle. Write the formula, plug in the numbers, solve and label.
A = bh / 2
A = 4 x 3 / 2
A = 6ft2
400
What are the first 5 prime numbers?
2,3,5,7,11
400
Use a factor tree to find the prime factorization of 250.
prime factorization: 2x5x5x5 --> 2x53
400
Write 2xx2x3x3x3 using exponents.
DOUBLE JEOPARDY...
What is the product?
22 x 33
DOUBLE JEOPARDY...
108
400
Ms. L. talked to three students from the class during recess. Those students had the numbers: 31, 28, and 16. Tell which are prime and which are composite.
31:prime
28: composite
16: composite
400
Find the area of a parallelogram. Write the formula, insert numbers, solve and label.
A = bh
A = 10 x 5
A = 50 in2
500
What two numbers are NEITHER prime nor composite?
0 and 1
500
Use a factor tree to find the prime factorization of 144.
prime factorization: 2x2x2x3x3 --> 23 x 32
500
Find the perimeter of the triangle. Solve and label.
P = 17in + 17in + 12in
P = 40in
500
Ms. L. bought a TV last year for $150.00. This year it costs $200.00 and next year it will cost $250.00. Predict how much it will cost in 6 years. Explain your thinking.
$500.00 (50 dollars every year for 6 years = $300, add to $200 price now)
500
Find the area of the composite figure: 2 formulas, insert numbers, solve and label.
Figure 1: A = bh A= 22 x 15 = 330 cm2
Figure 2: A = bh / 2 A = 8 x 15 / 2 = 60 cm2
Composite Figure: 330 cm2 + 60 cm2 = 390 cm2