Prime or composite
Is 17 Prime or Composite? How do you know?
Prime
1 x 17 = 17
Find the area of a rectangle with the width of 3 and length of 7?
21
Find 3 multiples of 10
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
If I have 10 people and I want to sit them evenly, with no empty sits should I get tables with 5 seats or 6? How do you know
The tables with 5 seats because 5 x 2 = 10 so there would be no extra seats. 5 is a factor of 10.
Amy has 3 friends. She makes each of them 4 cupcakes. She puts them in in boxes of 2. How many boxes does she need?
She will need 6 boxes.
Is 21 Prime or composite? How do you Know?
Composite
1 x 21 = 21
7 x 3 = 21
Find the area of a rectangle with the width of 8 and length of 3?
24
Find 3 multiples of 6
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72
If I have 14 people and I want to sit them evenly, with no empty sits should I get tables with 7 seats or 6? How do you know
The tables with 7 seats because 7 x 2 = 14 so there would be no extra seats. 7 is a factor of 14.
Juan has 5 friends. He makes each of them 6 cookies. He puts them in in boxes of 3. How many boxes does he need?
He will need 10 boxes.
Is 45 Prime or composite? How do you Know?
Composite
1 x 45 = 45
5 x 9 = 45
Find the area of a rectangle with the width of 5 and length of 8?
40
Find all the factors of 50
1 x 50 = 50
2 x 25 = 50
5 x 10 = 50
1,50, 2, 25, 5, 50
If I have 40 people and I want to sit them evenly, with no empty sits should I get tables with 3 seats or 4? How do you know?
The tables with 4 seats because 4 x 10 = 40 so there would be no extra seats. 4 is a factor of 40.
Lorena bought 10 trading cards for her 4 friends. She then put them in piles of 5. How many piles did she have to make?
She made 8 piles of cards.
Is 27 Prime or composite? How do you Know?
Composite
1 x 27 = 27
3 x 9 = 27
Draw a rectangle with an area of 35?
Length of 7
Width of 5
or
Length of 1
Width of 35
Find all the factors of 40
1 x 40 = 40
2x 20 = 40
4 x 10 = 40
8 x 5 = 40
1, 40, 2, 20, 4, 10, 8, 5
If I have 27 people and I want to sit them evenly, with no empty sits should I get tables with 9 seats or 7? How do you know?
The tables with 9 seats because 9 x 3 = 27 so there would be no extra seats. 9 is a factor of 27.
Julia bought 3 packs of carpi suns that have 12 juices each. She gives them evenly to her 9 friends how many juices did each friend get?
Each friend got 4 juices.
Is 1 Prime or composite? How do you Know?
Neither
Find the 4 rectangles that you can make using an area of 40
1 x 40 = 40
2 x 20 = 40
4 x 10 = 40
5 x 8 = 40
Find all the factors of 56
1 x 56 = 56
2 x 28 = 56
4 x 14 = 56
7 x 8 = 56
1, 56, 2, 28, 4, 14, 7, 8
If I have 24 people and I want to sit them evenly, with no empty sits should I get tables with 6 seats or 4? How do you know?
The tables both work because 4 x 6 = 24 so there would be no extra seats. 4 and 6 are factors of 40.
Gaby bought 35 cards. She removed all 7 red cards in the deck. Then she gave away the rest of the to her 7 friends. How many cards did each friend get
Each friend got 4 cards.