Integers
Evaluate the difference and sums mentally:
94 - 62
32
Simplify
1/5 + 2/5
7/10 - 3/10
3/5
4/10
How do we turn a fraction into a decimal?
numerator divided by denominator
Find the percentage of the amount
26% of 68
17.68
1:30pm
1330
Evaluate the differences and sums mentally
325 + 328
80 - 41
653
39
Write the following fractions in simplest form:
12/20
34/85
3/5
2/5
Terminating decimals have a _________ number of decimals
Recurring decimals have an ___________ number of decimal
places. They repeat a ___________________.
infinite
pattern
Find the percentage of the amount
20% of $160
45% of 750cm
$32
337.5cm
Write in index form
3 x 3 x 3 x 3
3^4
Evaluate mentally
4 - (-4)
-88 - (-31)
8
-57
2/9 x 5/7
11/3 / 5/2
10/63
11/30
What are the two ways we can show that a decimal is recurring?
For example: 0.55555… = 0.5 ̇
For example: 0.3412412412… = 0.34 ̇12 ̇
For example: 0.55555… = 0. 5 ̅
For example: 0.3412412412… = 0.3(412) ̅
Calculate the new price when:
an item marked at $80 is discounted by 30%
$56
5^4 x 5^6
5^10
Evaluate mentally
6 x 19
12 x (-5)
-30 / (-5)
114
60
6
Simplify
5/9 + (-1/9)
= (5-1)/9
=4/9
Round the number to two decimal places
4.7326
0.74561
4.73
0.75
Basketball is on sale for $45. The sale ends tonight and the price will go up by 33%.
Calculate the cost of the basketball if you purchased it after the sale.
14.85 + 45 = $59.85
Simplify the index
(9^11 x 13^5) / (9^9 x 13^4)
9^2 x 13^1
Evaluate mentally
30 / (-15) x (-7)
14
Simplify the following:
-1/3 x (-4/5)
-5/7 / 3/4
4/15
-5/84
write the fractions as a decimal correct to 2 decimal places
5/7
17/100
3/8
0.71
0.17
0.38
A clothing store were having a sale and reducing all items by 20%. Gerry purchased the following items which still had their original prices tags:
Jeans $75
Long sleeve T-shirt $94
What was Gerry's total bill at the sale?
75 - 15 = $60
94-18.8 = $75.20
$135.2
Sing the chores to Eminem 'Lose yourself"
You better lose yourself in the music
The moment, you own it, you better never let it go
You only get one shot, do not miss your chance to blow
This opportunity comes once in a lifetime,