Algebra
Simplify 3x + 5x - 2
8x - 2
Calculate: 1/3 + 2/6
2/3
Calculate -4 + 9
5
A pencil costs $2. How much do 4 pencils cost?
$8
What is the area of a rectangle with length 8 cm and width 5 cm?
40 cm2
Expand 4(a + 2)
4a + 8
Simplify 25/45
5/9
Calculate: 7−22
-15
A bus carries 45 students. How many students are on 3 buses?
135 students
Convert 2.5 m into centimetres.
250cm
Simplify 4xy + 7 + 6x + 2xy
6xy + 6x + 7
Calculate 3/5 x 2/3
2/5
Calculate: (−3)×6
-18
Sarah has $50 and spends $18.75. How much money does she have left?
$31.25
What is the mean of 4, 7, 9, and 10?
7.5
If x = 3, evaluate 2x2 +5
23
Calculate 7/8 - 1/4
5/8
Calculate: −24÷(−6)
4
A rectangle has a length of 12 cm and a width of 7 cm. Find the perimeter.
38cm
Find the next number in the pattern: 3, 6, 12, 24, __
48
Expand and simplify: 3(2x−4)+5x
11x - 12
A recipe needs 3/4 cup of milk. You make half the recipe. How much milk is needed?
3/4 x 1/2 = 3/8 cup
Calculate: −5+3×(−4)
-17
A shop discounts a $120 jacket by 25%. What is the sale price?
$90
A triangle has angles of 2x, 3x and 4x. Find x
20 degrees