Write the first six multiples of 6 on the white board.
6, 12, 18, 24, 30, 36
100
12 x 5 = ?
12 x 5 = 60
200
What is the value of the digit in the hundreds place? 33,566
5 is in the hundreds place, so the value is 500.
200
Round to the nearest ten: 55
60
200
Name any two factors for 30.
1, 2, 15, 30
200
Write the first five multiples of 9 on the white board.
9, 18, 27, 36, 45
200
12/3 = ?
12/3 = 4
300
What is ten less than this number? 45,799
45,799 - 10 = 45,789
300
Round to the nearest hundred: 344
300
300
Name any four factors for 100.
1, 2, 4, 5, 10, 20, 25, 50, 100
300
Is 54 a multiple of 7? Show your work on the white board.
The multiples of 7 are 7, 14, 21, 28, 35, 42, 49, 56. So, the answer is no. 54 is not a multiple of 7.
300
What are the order of operations?
P.E.M.D.A.S. (Explain)
400
Say this number: 2,344,619
Two million, three hundred forty-four thousand, six hundred nineteen.
400
Round to the nearest thousand: 3,679
4,000
400
Factor x Factor = ?
Product
400
On the white board, do the following:
- List the first 6 multiples of 8.
- List the first 6 multiples of 4.
- Find any common multiples and circle them.
8, 16, 24, 32, 40, 48.
4, 8, 12, 16, 20, 24.
The common multiples are 8, 16, and 24.
400
Solve on the white board: 49/3 = ?
Hint: There may be a remainder.
49/3 = 16r1
500
Write this number in standard form on the white board: 23,451,967
Round this number to the nearest hundred: 789
Next, round this number to the nearest thousand: 5,234
Finally: add both rounded number together.
What's your answer?
789 is rounded up to 800
5,234 is rounded down to 5,000
800 + 5,000 = 5,800
500
What is the difference between a prime number and a composite number?
A composite number is a number greater than 1 and has at least two factors that are not one. For example, the factors of 16 are: 1, 2, 4, 8, and 16.
A prime number is a number greater than 1 and has only two factors: 1 and itself. For example, the factors for 3 are 1 and 3.
500
On the white board, do the following:
- List the first 7 multiples of 10.
- List the first 7 multiples of 8.
- Find any common multiples and circle them.
10, 20, 30, 40, 50, 60, 70.
8, 16, 24, 32, 40, 48, 56.
The only common multiple is 40.
500
Jake has $7.01 in his pocket. His mom gives him $10.00 for allowance and he finds $3.64 under his mattress. Does Jake have enough money to buy a comic book that costs $3.45, a baseball that costs $7.00, and a movie ticket that costs $11.00?
Jake's money: 7.01 + 10.00 + 3.64 = 20.65
Stuff to buy: 3.45 + 7.00 + 11.00 = 21.45
Answer: No, he does not have enough money.