Page 24 - Touchpad Mathematics_Ver1.0_C4

Example 2. Find the greatest number among 2568, 2467, 1938. Th H T O

Solution. 2 5 6 8

Step 1. Write the numbers in a place value chart. 2 4 6 7
Step 2. Compare the thousands digits, 1938 is the smallest number. 1 9 3 8

2568 2467 1938

Step 3. Compare the hundreds digits, 2568 > 2467

2568 2467

Step 4. 2568 is the greatest number.
Example 3. Find the smallest number among 2680, 1469, 1438. Th H T O

Solution. 2 6 8 0

Step 1. Write the numbers in the place value chart. 1 4 6 9

Step 2. Compare the numbers and remove the greatest number. 1 4 3 8

Here, 2680 is the greatest number.

2680 1469 1438

Step 3. Compare the remaining numbers and remove the greatest number.
Here, 1469 > 1438. Th H T O

1469 1438 1 4 6 9

Step 4. So, 1438 is the smallest number. 1 4 3 8

Same 30 < 60
Exercise 1C

1. Compare the following using > , < or = .

a. 314 98 b. 629 3150 c. 2378 729

d. 1400 2500 e. 7914 7500 f. 5838 5583

g. 8650 8650 h. 4351 4360 i. 962 1965

2. Circle the greatest number and tick the smallest number.

a. 8209, 7989, 9387, 2087 b. 9843, 8792, 5478, 8333

c. 7449, 4349, 4549, 7949 d. 7089, 7764, 7890, 7809

22 Mathematics 3