# Midterm Review

Find the square root of 121
11
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Slide 1: Open question
MathematicsSecondary Education

This lesson contains 27 slides, with interactive quizzes.

## Items in this lesson

Find the square root of 121
11

#### Slide 1 -Open question

Find the cube root of 343.
7

#### Slide 2 -Open question

Without using a calculator, estimate, by rounding each number correct to 1 significant figure,
19.789.810006.25

#### Slide 3 -Open question

Without using a calculator, estimate, by rounding each number correct to 1 significant figure,
1.780.899.25

#### Slide 4 -Open question

Write the number 0. 123463 in standard form.
1.23463 x 10^-1

#### Slide 5 -Open question

Write the number 239.054 in standard form.
Ans: 2.39054 x 10^2
Ans.
2.39054 x 10^2

#### Slide 6 -Open question

Write 200 as a product of its prime factors.
Ans:
2 x 2 x 2 x 5 x 5

Simplify.

(32y5)53
Ans.8y3

#### Slide 8 -Open question

Expand and simplify.
(5r -2s)(r + 3s)
Ans5r2+13rs6s2

#### Slide 9 -Open question

Factorise completely.

30n2m46p3n5m
100x5yx4
6n2m(5m3p3n3)
x4(100xy1)

#### Slide 10 -Open question

Solve the equation
zz2=105
z = 4

Text
a = 110 degrees

Ans:  x = 60
y = 40

#### Slide 13 -Open question

Ans: x = 68 degrees

#### Slide 14 -Open question

interior angle = 160 degrees

Ans: n = 15

#### Slide 16 -Open question

Ans : 4140 degrees

#### Slide 17 -Open question

Ans: a = 105 degrees

Ans :
170 cm^2

Ans:
BC = 10.5 cm

#### Slide 20 -Open question

Find the volume.
Ans:
V = 64 x 5 = 320 cm^3

Ans:
v = 32.7 cm^3

Ans:
A = 2.47 cm^2

#### Slide 23 -Open question

Work out 5/6 of 126kg.

#### Slide 24 -Open question

A pair of shoes is on sale for \$102.00. This is a reduction of 15% on the original price. What is its original price?

#### Slide 25 -Open question

Find the area of the shaded region.

#### Slide 26 -Open question

Expand and simplify.
(m -5n)(3m -2n)