Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 12 Real-World Problems: Measurement to score better marks in the exam.

## Math in Focus Grade 3 Chapter 12 Answer Key Real-World Problems: Measurement

**Put On Your Thinking Cap!**

**Challenging Practice**

Ron puts two sticks into the ground as shown. Stick B is 10 centimeters longer than Stick A. What is the length of Stick A that is above the ground?

Answer:

The length of Stick A that is above the ground = 26 Centimeters

Explanation:

Ron puts two sticks into the ground as shown.

The length of stick B = 52 + 5 = 57

Stick B is 10 centimeters longer than Stick A.

57 – 10 = 47

the length of Stick A that is above the ground = 47 – 21 = 26

**Put On Your Thinking Cap!**

**Problem Solving**

The mass of a completely filled glass of sand is 200 grams. When half of the sand is poured out, the total mass of the glass of sand is 1 20 grams. What is the mass of the empty glass?

Answer:

20 grams

Explanation:

The mass of a completely filled glass of sand is 200 grams.

When half of the sand is poured out,

200 ÷ 2 = 100

the total mass of the glass of sand is 1 20 grams.

120 – 100 = 20

20 grams is the mass of the empty glass