Order of Operations (PEMDAS)
21 - 10 + 15 = ?
26
What are the factors of 9?
1, 3, 9
2/7 + 6/7 = ?
8/7
What is the value of the number 8 in the number 186,002?
Find the factors of 16. Is 16 prime or composite? Why?
1, 2, 4, 8, 16. Composite b/c it has more than two factors.
(16 + 28 + 1) - (13 + 22) = ?
10
What are the factors of 26?
1, 2, 13, 26
Compare 3/6 and 5/10.
They are the same/equivalent!
Compare: 16,540 ___ 16,459
>
Is 91 a multiple of 7? IF yes, what number is multiplied by 7?
Yes 7 x 13
9 x 7 + 34 - 11 - 6 = ?
80
Which two numbers below are not prime?
5 , 11 , 17 , 19 , 51 , 53 , 67 , 98
51 & 98
Adrianna ate 2/4 of a granola bar, and Jenny ate 2/6 of a granola bar. Who ate more granola bar?
Jenny
Round 34,592 to the nearest thousand.
35,000
Name two decimals that are greater than 0.07 but less than 0.2
Any number that is in between 0.07 < 0.2
42 ÷ 6 + 9 x (5 - 2) = ?
34
What are the prime factors of 21?
_ x _ = 21
3x7
A grasshopper weighs 2/20 of an ounce. A beetle weighs 5/45 of an ounce. Which weighs the most?
Beetle
Write the number 149,872 in expanded form.
100,000 + 40,000 + 9,000 + 800 + 70 + 2
4 x 2/6 = ?
put answer in both improper fraction and mixed number.
8/6; 1 1/3 or 1 2/6
12 ÷ 6 + (11 x 9 - 17) = ?
84
What are the prime factors of 45?
_ x _ x _ = 45
3x3x5
Jordan cut a cake into 12 equal pieces. He ate 2/12 of the cake. Her brother ate 3/12 of the cake. What fraction of the cake is left?
7/12
Give 3 numbers that when rounded to the nearest hundred would be 900.
Any # from 850 to 949.
Is the number 102,937,202 prime or composite? How do you know?
Composite; It is an even number and all even numbers (except 2) are composite.