Leah bought 2 boxes of cookies. She ate 3 cookies and found that she had 21 left. How many cookies were in each box?
What is 21 + 3 = 24.
24 / 2 = 12
There were 12 cookies in each box.
200
"ends in 0,2,4,6, or 8"
divisible by two
What is an even number
200
goes into a larger number evenly
What is a factor
200
"all sides equal"
4 - 90 degree corners
all sides equal length
opposite sides parallel
What is a square
200
Mr. Corelli a tray of cookies that held 5 across and 7 down. There are 38 students in Mr. Corelli's class. How many more cookies does he need if each student is to get one cookie?
What is 3 more
5 x 7 = 35
38 - 35 = 3 more cookies
200
Arturo built 3 sandcastles with 6 towers each. Paco built 5 sandcastles with 4 towers each. Who built more towers? How many more
What is
3 x 6 = 18
5 x 4 = 20
Paco built two more towers then Arturo.
300
Has only two factors, 1 and itself
What is a prime number
300
made by multiplying the same two factors together
What is a square number
300
"groups of"
"repeated addition"
"arrays and area"
What is multiplication
300
Ashley has 35 dollars. She wants to buy 4 bags of peanuts at 2 dollars each. How much money will she have left?
What is 27
4 x 2 = 8
35 - 8 = 27
300
Find the prime numbers between 1 and 25
What is 1, 2, 3, 5, 7, 11, 13, 17, 19, and 23
400
the answer to a division problem
What is the quotient
400
an answer to a multiplication problem
What is the product
400
"repeated subtraction"
What is division
400
Find the factors and factor pairs of 42
What is 1, 2, 3, 6, 7, 14, 21, 42
Factor Pairs include:
42 x 1
21 x 2
14 x 3
7 x 6
400
List the first five multiples of 42
What is 42, 84, 126, 168, 210
500
objects arranged in a rectangular shape
What is an array
500
If there are 63 people in the assembly and there are 9 people seated in each row, how many rows are there?
What is 7 rows.
500
Sarah sleeps 10 hours a night. Julio sleeps only 8 hours a night. How much more sleep does Sarah get in a week (7 days) than Julio?