Prime and Composite
Writing Expressions
Can you solve it?
Models
Measurement -
Conversions
Conversions
100
True or False.
1 is a prime number because you can only divide it by 1.
What is False.
1 is not prime or composite. It is unique because it only has 1 factor and prime numbers must have two factors.
100
Write the expression for:
6 times the sum of 12 and 8
What is
6 x (12 + 8)
100
A publisher prints 762 copies of a book in each print run. If they print 54 runs, the manager wants to know how many books will be printed?
What is ... 41,148
100
The model below shows how to find the product of 5.5 and 7.3. What is the missing number in the model?
What is 0.15
100
The height of a man is 1.7 meters. What is his height in centimeters?
What is 170 centimeters
200
Is 39 a prime or composite number?
What is Composite?
39 can be divided by 1, 3, 13, 39.
200
Write the expression for:
The difference between 8 forty-sevens and 7 forty-sevens
What is ...
(8 x 47) - (7 x 47)
200
A school band has 145 members. Each member is getting a shirt. Each shirt costs $17. What is the total cost of all the shirts?
What is $2,465.
200
4.5 x 70 = ______ tenths x 70 = _______
What is 45 tenths x 70 = 315
200
A coyote weighs 11.3 pounds. Convert the coyote's weight to ounces.
What is 180.8 ounces
300
True or False.
All even numbers are composite because you divide them by 2.
What is False?
That is almost true, however, 2 is the only even prime number.
300
Compare the expressions using >, <, or =.
62 x (70 + 8) ______ (70 + 8) x 26
What is ... > (greater than)
300
A young snake measures 0.23 meters long. During the course of his lifetime, he will grow to be 13 times his current length. What will his length be when he is full grown?
What is 2.99 meters.
300
The grid below shows how to find the product of two decimals. What multiplication equation is shown by the grid?
A. 1.2 x 3.2 = 3.84
B. 0.6 x 0.8 = 0.048
C. 0.6 x 0.8 = 0.48
D. 0.06 x 0.08 = 4.8
What is C. 0.6 x 0.8 = 0.48
300
Each container holds 275 mL of water. How much water is in 83 identical containers? Put your answer in LITERS.
What is 22.825 Liters.
400
List ALL the factors for the composite number 60.
What is 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.
400
Juan delivers 174 newspapers every day. Edward delivers 126 more newspapers each day than Juan. Write an expression to show how many newspapers Edward will deliver in 29 days.
What is ...
(174 + 126) x 29
400
At a certain shop a large milk shake needs 3.5 cups of milk while a medium milk shake needs 0.6 the amount of a large milk shake. How many cups of milk are needed for a medium milk shake?
What is 2.1
400
What is A.
The rod represents 1. Therefore 1 rod and 5 units would make 1.5. Then you need 3 copies of that.
400
To practice for an Ironman competition, John swam 0.86 kilometer each day for 3 weeks. How many meters did he swim in those 3 weeks?
What is $18,060
500
What factors do the number 15 and 18 have in common?
What is 1 and 3.
500
General admission to a local museum is $14. A group of 123 students visits the museum and they also purchase tickets for a show for an additional $7 per student. Write an equation that represents the total cost for all the tickets.
What is...
(14 + 7) x 123 = 2,583
OR
(14 x 123) + (7 x 123) = 2,583
500
A Rio Grande Valley farmer has 26 part-time employees. The farmer pays each employee $410 per week. After paying his workers for one week, the farmer has $162 left in his bank account. How much money did he have at first?
What is $10,822
500
Part I: Which expression matches the model below.
Part II: What is the product?
Part I: What is C.
Part II: What is 9.24
500
Mrs. Williams is knitting a blanket for her newborn granddaughter. The blanket is 2.25 meters long and 1.8 meters wide. What is the area of the blanket? Write your answer in centimeters. (Convert before you solve).
What is ... 40,500 cm2