Solve the following subtraction problems: a. 5.67 - 2.45 b. 10.3 - 4.8

A store sells apples for 3.75 per kg and oranges for 2.45 per kg. What is the total cost of buying 1 kg of each?

Multiply: a. 3.6 × 4 b. 5.25 × 0.5

Divide: a. 18.9 ÷ 3 b. 6.75 ÷ 0.25

A watermelon weighs 3.25 kg. If each slice weighs 0.25 kg, how many slices can you make?

Define: a. Square of a number b. Square root of a number

Find the square of 9.

Find the square root of 81.

What is 6 squared?

What is the square root of 144?

What is 15 squared?

Find the square root of 100.

The area of a square garden is 196 m². What is the length of one side?

Define estimation and explain its importance in real-life situations.

Round off: a. 43 to the nearest 10. b. 178 to the nearest 100. c. 3,459 to the nearest 1,000. d. 45.68 to the nearest 1. e. 23.49 to the nearest tenth.

A group of 95 students is divided into teams of 12. Estimate the number of teams needed.

Draw a number line and locate 4.7 and 3.3. Estimate their positions to the nearest whole number.

Solve: a. 12.5 + 3.8 - 4.5 b. (5.2 × 3) + (7.6 ÷ 2)

A pencil costs 2.45, and a notebook costs 5.75. If you buy 3 pencils and 2 notebooks, what is the total cost?

A car travels 17.8 km in one hour. How far will it travel in 4 hours?

Solve: 4.56 + 2.34

What is 9.8 - 3.5?

A bottle contains 1.25 liters of juice, and another contains 2.75 liters. What is the total?

Solve: 3.4 × 2

Solve: 9.6 ÷ 0.8

A watermelon weighs 2.5 kg. If cut into 5 equal parts, what is the weight of each?

What is the square of 7?

What is the square root of 144?

The area of a square is 225 m². What is the length of one side?

Estimate 847 to the nearest hundred.

What is 23.76 rounded to the nearest tenth?

A farmer has 487 apples. Estimate to the nearest ten.

Solve: 6.5 + 2.3 - 1.2

A bag of flour weighs 4.8 kg. If 3 bags are bought, what is the total weight?

A car travels 19.6 km in one hour. How far in 3 hours?