Math 4 Reviewer - Missing Number and Basic Algebra

What is the missing number? 8 + _ = 7 + 8

What is the missing number ? _ + 0 = 24

What is the missing number? _ x 12 = 12

What is the missing number? (13 x 5) x 2 = 13 x ( _ x 2 )

Which of these has the same meaning as 20 - (?) = 15?

• 15 + 20 = (?)

• 20 - 15 = (?)

• 15 - (?) = 20

• 20 + (?) = 15

Mrs. Silva jogged five times around a quadrangle in 1 hour. How long can she jog around the quadrangle in 1 hour.

• 12 minutes

• 15 minutes

• 18 minutes

• 24 minutes

Mang Dino is a jeepney driver. He completes in 1 trip in 30 minutes. How many trips can he make in 1 hour? The mathematical sentence for this problem is?

• 60 + (?) = 30

• 60 - (?) = 30

• 60 x 30 = (?)

• 60 / 30 = (?)

A box contains 24 brownies. Ben eats 5 pieces. How many brownies are left?

• 19
• 18
• 22
• 20

After paying Php100 for a meal, Sonia has Php 500 left in her purse. How much money was in the purse before she paid for the meal?

In a swimming competition, the winner reached the finish line in 15 seconds. He was 3 seconds faster than the swimmer who finished second. How long did the swimmer who finished second complete the lap?