Multiplication Comparison
Write an equation to show 48 is 4 times as many as 12.
48= 4x12
Start with the number 10. Use the rule “add 10.” Write the next three numbers in the pattern.
10,20,30,40
What is prime and composite numbers mean?
Prime=numbers that only 2 factors or 1 factor pair
Composite=numbers that have more than 2 factors or more than 1 factor pair
Write another way to show 48 is 4 times as many as 12.
12x4=48
What are 2 ways you could describe the shape pattern:
3 points, no point. 3 points, no point
Odd, Even, odd even
Is 3 prime or composite. Name the factor of 3
Prime: 1,3
On Sunday, Pablo bikes 7 miles in the morning. He bikes 5 times as many miles in the afternoon. How many miles does Pablo bike in all on Sunday?
7x5=35 (afternoon)
35+7=42
42
Notepads come in packages of 3, 6, and 10 notepads. Kari wants to buy exactly 90 notepads. What are two ways Kari can buy exactly 90 notepads?
9 packages of 10 notepads (9x10=90)
15 packages of 6 notepads (15x6=90)
30 packages of 3 notepads (30x3=90)
Start with the number 4. Use the rule “multiply by 4.” Write the next three numbers in the pattern.
4, 16, 64, 256
Is 8 prime or composite. Name the factors of 8.
composite; 1,2,4,8
Ryan spends $80 at the florist. He buys red roses for $35. He also buys white roses for $21 and 4 vases that all cost the same. What is the price of each vase?
80-35=45
45-21=24
24/4=6
$6.00
Which comparisons describe the equation 9 x 6 = 54?
A. 9 is 6 times as many as 54.
B. 54 is 6 times as many as 9.
C. 54 is 9 times as many as 6.
D. 6 times as many as 54 is 9.
E. 9 times as many as 6 is 54
B. 54 is 6 times as many as 9.
C. 54 is 9 times as many as 6.
D. 9 times as many as 6 is 54
Start with the number 3. Use the rule “multiply by 3.” Write the next three numbers in the pattern.
3,9,27,81
IS 17 prime or composite. Name the factors of 17.
Prime: 1, 17
Ella buys 5 packages of charms to make bracelets. Each package has 6 charms. Ella uses 4 charms to make each bracelet. What is the greatest number of bracelets?
(5 x 6)/4=
30/4
7 R2
Ella can make 7 bracelets.
Clarissa has 40 books to arrange in stacks. She wants to put the same number of books in each stack. List all the different ways Clarissa can arrange the books.
1 stack of 40 books
40 stacks of 1 book
2 stacks of 20 books
20 stacks of 2 books
4 stacks of 10 books
10 stacks of 4 books
5 stacks of 8 books
8 stacks of 5 books
The rule for the pattern shown below is add 8.
8, 16, 24, 32, 40
If the pattern continues, what would be the 40th number in the pattern?
320; skip count by 8 so you could do 8x40=320
Is 18 prime or composite? Name the factors of 18
Composite: 1, 2, 3, 6,9,18
Vans will carry fourth- and fifth-grade students on a field trip. There are 34 fourth-grade students and 28 fifth-grade students. Each van can carry 9 students. The bus manager estimates that 7 vans are needed to carry all the students. Is the bus manager’s estimate reasonable?
34+28=62
62/9=
9x7=63; so 9x6=54; so the estimate is reasonable. You will need 7 vans to carry all the students