Multiply decimals
4.5 × 10=
45
-3 + 5 =
2
What axis runs horizontal? The x or y axis?
X- Axis
5.2 ÷ 10
0.52
Katie buys 4 packs of stickers and loses 6 stickers. Each pack has 50 stickers. How many stickers does she have now?
194 stickers
0.8 × 1,000
-8 - 4
-12
Which coordinate comes first? X or Y (__, __)
7.8 ÷ 100
0.078
Liam rents a bicycle for a flat fee of $10 plus $5 per hour. His total bill is $45. Write an equation to find how many hours he rented the bicycle and solve it.
5h + 10 = 45
He rented the bike for 7 hours.
36.72 × 10
367.2
-6 + 10 -2 =
2
If the coordinate (-3, 4) is translated 7 to the right, what is the new coordinate?
(4, 4)
0.6 ÷ 1,000
0.0006
Noah saves some money (s) each week for 5 weeks. His grandparents then give him a bonus of $25. He now has $110 in total. Write an equation to find out how much money he saved each week and solve it.
5s + 25 = 110
s = $17 per week.
0.029 × 1000
29
-12 + 7 + (-3)
-8
Plot the point A (3, -4) on a Cartesian plane. In which quadrant does this point lie?
Quadrant IV (4)
1,250.4 ÷ 100
12.504
Two mobile phone plans are compared. Plan A costs $10 sign-up fee plus $4 per gigabit of data. Plan B costs $26 sign-up fee plus $2 per gigabit of data. At what number of gigabits do both plans cost the same? Write and solve the equation.
4g + 10 = 2g + 26
g = 8 gigabits
105.006 × 1,000
105,006
15 - 22 + (-8) + 5=
-10
Point B is located at (-2, 5). If you reflect point B across the x-axis what are the coordinates?
(-2, -5)
43.05 ÷ 1000
Ben and Holly have some trading cards. Holly has 5 fewer cards than twice the amount Ben has (b). Together, they have 40 trading cards. Write an equation to find Ben's cards, and solve it to find out how many cards they each have.
15 Ben's cards
25 Holly's cards