Factors, Multiples, Divisibility
1, 2, 3, 4, 6, 12
4 ÷ 2/5
20
3.458 + 32.63
36.088
365 ÷ 5
73
7.2 ÷ 0.9
8
Which of the following numbers are divisible by both 3 and 5?
30, 25, 215, 105, 545, 510
30, 105, 510
3/4 ÷ 5
3/20
3.458 - 32.63
70.53
756 ÷ 18
42
a) 4.2 ÷ 10
b) 4.2 ÷ 100
c) 4.2 ÷ 1000
0.42
0.042
0.0042
Find the least common multiple of 9 and 12?
36
4/5 ÷ 1/7
turn into a mixed number if possible
5 and 3/5
Price
T-shirt $8.99
Socks $5.50
Toby buys 2 t-shirts and 1 socks. He pays with $40.00. How much change will he get?
Change = $16.52
40 - ($8.99 + 8.99 + 5.50)
645 ÷ 6
107.5
582.61 ÷ 41
14.21
Find the greatest common factor of 24 and 60?
12
Express answer as a mixed #
2 and 1/3 ÷ 1/4
28/9 = 3 and 1/9
18.6 x 3.07
57.102
1437÷ 25
57.48
17.68 ÷ 3.4
5.2
One traffic light turns red every 3 minutes. Another turns red every 5 minutes. If both traffic lights turn green at 8:00am, what is the next time they both turn red?
8:15am
LCM of 3 and 5 is 15
Noah has a pitcher of 1 and 3/4 liters of lemonade. Noah pours an equal amount of lemonade into 4 cups. Afterward, there is 1/3 liter of lemonade remaining in the pitcher. How many liters of lemonade are in each cup?
17/48 liters of lemonade in each cup
(first you subtract 1 3/4-1/3) = 1 and 5/12
then divide that by 4
Tony sells 12 bracelets for $4.50. The next day he sells 18 bracelets for $3.75. What is his total profit?
$121.50
(12 x 4.50) + (18 x3.75)
36 ÷ 80
0.45
0.136 ÷ 0.54
0.251