Variables
x + 2= 4
x = 2
2, 5, 8, 11, ___
What is the rule and missing term(s)?
14. The rule is adding 3
How many factor pairs does 40 have?
four pairs
19
prime
The dog eats twice a day. Each meal, the dog eats 2 cups of food. If a bag of dog food contains 24 cups of food, how many days does one bag of dog food last?
6 days
y - 7 = 20
27
15, 12, 9, __, ___
What is the rule and missing term(s)?
6, 3. Rule is subtracting 3.
List the first five multiples of 8.
8, 16, 24, 32, 40.
22
composite
(2, 11)
Sally vacuums three times a week for 15 minutes each time. How many minutes a week does she spend vacuuming?
45 minutes.
80 + c = 88
8
45, 60, 75, __, ___
What is the rule and missing term(s)?
90, 105. The rule is adding 15
List all factor pairs for 42.
(2, 21), (42, 1), (6, 7)
27
composite
(9, 3)
Carlos read 48 books last year. He hopes to read 55 books this year. How many more books will he read this year if he reaches his goal?
7 books
70/x=10
7
8, 24, 72, ___
What is the rule and missing term(s)?
216. The rule is multiplying by 3.
Is 25 a multiple of 5? Explain your reasoning.
Yes, because 5 times 5 is 25.
37
prime
Ms Leaf hiked the Colorado Trail one summer. The Colorado Trail is 486 miles long. It took her 40 days. How many miles did Ms Leaf hike each day if she hiked the same number of miles every day?
12 miles (remainder 6)
25 x y = 100
y=4
60, 30, 15, ____
What is the rule and missing term(s)?
7 and 1/2, or 7 remainder 1, or 7.5.
The rule is dividing by 2.
What factors do 24 and 48 have in common?
(Hint: There are 8!)
1, 2, 3, 4, 6, 8, 12, 24
63
composite
(9, 7)
Avery read for 26 minutes today. Kaitlyn read for 31 minutes today. Olivia read for 49 minutes today. Lexi read for 43 minutes today. Quinn read for 28 minutes today. How many minutes did they read in all? How many hours + minutes?
177 minutes. 2 hours and 57 minutes.