POWERS
Write in exponential form:
4 × 4 × 4
4³
Solve:
8 + 3 × 2
14
A class has 5 groups with 6 students each.
How many students are there?
30 students
Write the integer:
8 meters below sea level
-8
Evaluate:
2³ + 5
13
Expand:
3⁴
3 × 3 × 3 × 3
Solve:
20 − 12 ÷ 3
16
A store has 50 notebooks.
It sells 18.
How many notebooks remain?
12
What is the opposite of:
−7
+7
SOLVE: 20 − 4 × 3
8
Evaluate:
2⁵
32
Solve:
18 ÷ 3 × 2
12
Jessa has ₱1,000. She buys a bag for ₱350 and a notebook for ₱150. How much money does she have left?
Expression: 1,000 − (350 + 150)
Answer: ₱500
Which is farther from zero?
−7 or +5
-7
Evaluate:
5² − 10 ÷ 2
20
What are the base and exponent in:
7³
Base = 7
Exponent = 3
SOLVE: 6 + 2³ × 3
30
A school has 4 boxes of markers. Each box has 18 markers. If 12 markers are used, how many remain?
(4 × 18) − 12 = 60 markers
Arrange from least to greatest:
+3, −5, 0, −2, +7
−5, −2, 0, +3, +7
Four places have these elevations:
Which place is highest and which is lowest?
Highest: Mountain A (+25 m)
Lowest: Trench D (−30 m)
A square has a side length of 9 cm.
Write its area using an exponent and find the area.
9² = 81 cm²
Solve:
30 − (4 + 6) × 2
10
A school bought 7 boxes of pencils with 24 pencils in each box.
After giving away 38 pencils, how many pencils remained?
Expression:
(7 × 24) − 38
Answer: 130 pencils
Submarine A is at −80 m. Submarine B is at −120 m.
Which submarine is closer to sea level, and by how many meters?
The Submarine A−80 m, and it is 40 m closer.
A teacher has ₱2,000. She spends ₱450 on paper and ₱350 on markers. She uses 1/2 of the remaining money to buy folders.
How much money does she have left?
Expression:
[2000−(450+350)]÷2[2000-(450+350)]÷2
Answer: ₱600