Only 1 and itself (11) because it is a prime number.
100
What would you call the array below?
O O O O O
O O O O O
O O O O O
A 3 x 5 array
An array with 3 rows of 5
Or an array with 3 rows and 5 columns
100
All prime numbers are ODD. True or False?
FALSE, 2 is a prime number and it is EVEN.
200
What is the prime factorization of 63?
3 x 3 x 7
200
What is 4 squared?
16
200
What numbers is 39 divisible by?
1, 3, 13, and 39.
200
What is the name of the array below?
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
A 5-by-8 array or
An array with 5 rows of 8 or
An array with 5 rows and 8 columns
200
If you add the 2nd prime number and the third prime number together, what number do you get?
7 = 3 + 4
300
What is the prime factorization of 49?
7 x 7
300
What number times itself equals 81?
9
300
What numbers is 1,062 divisible by?
1, 2, 3, 6, 9 and itself.
300
Draw the factor rainbow of 36. You need to find all NINE factors.
1 2 3 4 6 9 12 18 36
300
Write the number following instructions:
Put the digit 1 in the millions place, the hundred-thousands place, and hundredths place.
Put the digit 2 in the hundreds place.
Put the digit 5 in the thousands place and the tenths place.
Put zeroes in all other places.
1,105,200.51
400
What is the prime factorization of 125?
3 x 5 x 5 x 5 or 3 x 5 to the third power
400
What is the answer to
5 squared + 2 squared = ?
29
400
What numbers is 10,260 divisible by?
1, 2, 3, (4- O.K. if you didn't include it), 5, 6, 9, 10 and itself.
400
Draw the factor rainbow for 54. You need to find all EIGHT factors.
1 2 3 6 9 18 27 54
400
Ms. Kim has 16 ceramic owls that she wants to put
on a shelf, but she wants to have the same number of owls in each row. How many different lengths of rows can she make?
5 different lengths of rows
1 row of 16
2 rows of 8
4 rows of 4
8 rows of 2
16 rows of 1
500
What is the prime factorization of 128?
2 x 2 x 2 x 2 x 2 x 2 x 2 or 2 to the 7th power
500
What is 10 squared?
Then, what is 100 squared?
10 squared = 100
100 squared = 10,000
500
What numbers is 253,665 divisible by?
1, 3, 5, 9 and itself.
500
Draw the factor rainbow of 100. You need to find all NINE factors.
1 2 4 5 10 20 25 50 100
500
For a party, the fifth graders have brought brigadeiros.
Follow the clues to discover if they will have enough for everyone
In rows of 5, there are MORE than 10 rows, and 3 brigadeiros left over.
In rows of 6, there are also 3 left over.
In rows of 9, there are NONE left over.
12 rows of 5 + 3
10 rows of 6 + 3
9 rows of 7 + 0
63 brigadeiros