INTEGERS
What are two prime factors of 42?
-5
A taxi charges a fixed fee of 50 som and 20 som per kilometer.
Write an expression for the cost of traveling x kilometers.
50+20x
Which is larger:
4.2×0.1 or 4.2÷0.1?
4.2÷0.1
If alternate angles are equal, what can you say about the lines?
The lines are parallel
Who is known as the Father of Geometry?
Euclid
−4−(−9)=?
5
The formula for speed is
Speed=Distance/Time
If a cyclist travels 18 km in 1.5 hours, what is the speed?
12 km/h
Round 0.9987 to the nearest hundredth.
1.00
An exterior angle of a triangle is 140°.
Find the sum of the two interior opposite angles.
140°
Who is called the Father of Algebra?
Al-Khwarizmi
Square root of 529?
23
Expand and simplify:
2(3x−4)−5
6x-13
Why is rounding useful in real life (give one reason)?
Makes numbers easier to understand/estimate
What specific construction creates a line that divides an angle into two equal parts?
Angle Bisector
Who is recognized as the Father of Calculus?
Isaac Newton (or Gottfried Leibniz, both contributed independently)
Simplify:
23 / 2-3
64
A student buys 3 notebooks and has 40 som left.
Each notebook costs x som.
The student originally had 130 som.
Form and solve an equation.
30 som
A wallet shows 0.6 USDT.
What fraction of 1 USDT is this?
3/5
If two parallel lines are cut by a transversal and one angle is 55 degrees, what is the measure of its alternate interior angle?
55 degrees (They are congruent)
Who is called the Father of Trigonometry?
Hipparchus
(64)⅓ + (64)-⅓
0
A movie ticket costs 180 som.
You have at most 500 som.
Write an inequality to show how many tickets you can buy.
Maximum tickets = 2
Arrange in ascending order:
0.405, 0.45, 0.404
0.404, 0.405, 0.45
Find the value of x if two angles at a point are (3x + 10) and (2x - 5), and they form a linear pair (straight line).
175
Who is known as the Father of Statistics?
Karl Pearson