Multiplication as a comparison
What this equation as a sentence:
6 x 8= 48
6 times as many as 8 is 48
or
8 times as many as 6 is 48
There are 5 times as many tulips as rose bushes in a garden. There are 15 tulips. How many rose bushes are in the garden?
15 / 5= 3
Is 2 a prime or composite number?
Prime
4,8,12,16,20,24,etc
Tasha spends 25 minutes reading on Wednesday night. She spends 17 more minutes readings on Thursday then she did on Wednesday. Write and solve an equation to find how many minutes Tasha spent reading on Wednesday and Thursday night.
M= (25+17) + 25
M= 42+25
M= 67
The art teacher has 5 times as many markers as Kennedy. Kennedy has 7 markers. Write an equation that represents the markers athe art teacher has.
5 x 7 = 35
Paul runs 2 laps around the gym. Carrie runs 7 times as many laps as Paul. How many Laps does Carrie run?
2x7=14
What is a Composite number? What is a Prime Number? Give an Example
A prime number can only get to that number if it is 1 times itself EX. 3
A composite number can get to that number by multiple factors.
Ex. 10 1x10, 2x5
Start with 80 and use the rule "subtract 3".Give me the next 3 place spots.
80, 77, 74, 71, 68
The Lopez family goes to the movies. They buy 2 adult tickets for $6 each and 3 child tickets for $4 each. Write an equation to represent ow much money the family spends on movie tickets.
t= (2x6) + (3x4)
Draw and Label a bar model to show a number that is 5 times as many as 8. The write an equation.
5x8=40
Show bar graph
Kaylee used 8 tomatoes to make salsa. She used 4 times as many tomatoes to make sauce. How many tomatoes did Kaylee use to make sauce?
8x4=32
Is 45 a multiple of 9
Yes,
9, 18 27, 36, 45
What are two ways we can explain a pattern of shapes?
- Even vs. Odd
- Number of sides
- Type of shape
Will has 20 pounds of apples. He makes 2 batches of applesauce that use 4 pounds each, on batch of apple butter that uses 6 pounds , and he uses 3 pounds to make juice. Write an equation to represent how many pounds of apples Will has left.
P= 20 - (2 x 4) + 9
P= 20 - 8 + 9
P= 3 pounds left
Take this sentence and write an equation that goes with it
99 is 11 times as many as 9
11 x 9 = 99
Erik sees 42 stars in the sky on Tuesday night. This is 7 times as many stars as he sees on Monday night. How many stars does Erik see on Monday night?
42/ 7= 6
List the factor pairs of 20
1 x 20
2 x 10
4 x 5
Start with 3 and use the rule "multiple by 2". Give me the next 4 place values.
3,6,12,24,48
There are 15 fourth grade students and 19 fifth grade students in math club. The tables in Mrs. Millers classroom seat 4 students each. Write and solve an equation to find how many tables Mrs. Miller will need.
T= (15+19) / 4
T= 34/4
T= 8.5
9 tables
Write two comparisons for
6 x 5 =30
6 times as many as 5 is 30
30 is 5 times as many has 6
Lucas spends 72 minutes cleaning his room. This is 8 times as long as it takes him to wash the dishes. How long does it take Lucas to wash the dishes?
72/ 8= 9 minutes to wash the dishes.
List the factor and factors pairs of 32
1 x 32
2 x 16
4 x 8
1, 2, 4, 8, 16, 32
3,6,9,12,15
Following this rule what will the 25 place spot be?
3 x 25= 75
Frankie earns $5 each time he babysits his little sister. He has saved $30. Frankie wants to save $52 to buy a new skateboard. Write and solve an equation to find how many more times Frankie will need to babysit.
M= (52-30) / 5
M= 22/5
M= 4.4 or 5 more shifts