Which of the following number is greater than 10 but less than 5?

We know that, a 2-digit number is greater than a 1-digit number. In the same way a 3-digit number is always greater than a 2-digit number.

The number with more digits is always greater than the number with less digits.

Solved examples for comparing numbers:

1. Let us compare two numbers 103 and 99.

Solution:

103 has 3-digits.

99 has 2-digits.

So, 103 is greater than 99.

2. Compare the number 125 and 87 and find which number is the greater number.

Solution:

1 hundred 2 tens 5 ones              =      125     =     12 tens and 5 ones

                                                                    =      8 tens and 45 ones

8 tens 7 ones                              =        87     =      8 tens and 7 ones

125 = 8 tens + 45 ones                   

87 = 8 tens + 7 tens          

It is clear 45 ones > 7 ones 

or, 125 ones > 87 ones           

or, 125 > 87

Therefore, the number which has more digits than the other is greater

If the number of digits are equal, we first compare the digits in hundreds place. The number with greater digit in the hundreds place is greater.

3. Let us compare 369 and 216.

Solution:

Comparing the digits in the hundreds place we find that 3 is greater than 2.

So, 369 is greater than 216 and 369 > 216.

4. Let us compare 468 and 438.

Solution:

Comparing the digits in the hundreds place we find that both numbers have same digit.

Next, we compare the digits in tens place. We find that 6 > 3.

So, 468 > 438

5. Let us compare 822 and 829.

Solution:

Comparing the digits in the hundreds and tens place we find that they are same in both the numbers.

So, we compare the digits in ones place. We find that 9 > 2.

So, 829 > 822.

6. Compare 238 and 148.

Solution:

2 hundred 3 tens 8 ones    = 238   = 200 + 30 + 8

1 hundred 4 tens 8 ones    = 148   = 100 + 40 + 8

238 = 200 + 30 + 8 = 238 ones

148 = 100 + 40 + 8 =148 ones

It is clear 238 ones > 148 ones.

Hence, 238 > 148 and 148 < 238

Both 238 and 148 have the same number of digits but the digit at hundreds place in 238 has higher place value (200) than the digit at hundreds place value in 148 i.e., (100) or 2 > 1.

Therefore, 238 > 148

7. Compare the following numbers:

(i) 256 and 234

Solution:

2 hundreds + 5 tens + 6 ones = 200 + 50 + 6 = 256 ones

2 hundreds +3 tens + 4 ones =200 + 30 + 4 = 234 ones

256 ones > 234 ones

or, 256 > 234

Both the number have equal number of hundreds, but 256 has more tens 234

Therefore, 256 > 234

(ii) 182 and 186

Solution:

1 hundred + 8 tens + 2 ones    = 100 + 80 + 2 = 182 ones                         

1 hundred + 8 tens + 6 ones = 100 + 80 + 6 = 186 ones

or, 182 < 186

Both the numbers have equal number of hundreds and equal number of tens. But 182 has less ones than 186.

Therefore, 182 < 186

Notes for comparing numbers:

(i) The number having more hundred is greater

(ii) If the number has equal hundreds as the other number, but greater tens than the other, it is greater.

(iii) If one number has equal hundreds and equal tens but more ones than the other, it is greater.

Questions and Answers on Comparing Numbers:

1. Compare the following pairs of numbers and insert > or < sign.

(i) 410 _____ 428

(ii) 362 _____ 381

(iii) 729 _____ 354

(iv) 967 _____ 816

(v) 468 _____ 567

(vi) 637 _____ 691

(vii) 815 _____ 729

(viii) 917 _____ 845

(ix) 752 _____ 672

(x) 711 _____ 237

(xi) 780 _____ 163

(xii) 896 _____ 754

Answer:

1. (i) <

(ii) <

(iii) >

(iv) >

(v) <

(vi) <

(vii) >

(viii) >

(ix) >

(x) >

(xi) >

(xii) >

2. Encircle the smallest number in the group.

(i) 621          852          956          347          446          896

(ii) 217          927          341          789          429          137

(iii) 329          611          328          108          925          423

(iv) 756          157          129          482          128          418

(v) 597          451          516          423          319          616

Answer:

2.(i) 347

(ii) 137

(iii) 108 

(iv) 128

(v) 319

3. Colour the box which has the greatest number in the set.

Answer:

3. (i) 456

(ii) 847

(iii) 231

(iv) 481

(v) 760

(vi) 918

(vii) 217

(viii) 359

(ix) 877

4. Colour the box which has the smallest number in the set.

Answer:

4. (i) 437

(ii) 310

(iii) 202

(iv) 237

(v) 716

(vi) 522

(vii) 862

(viii) 221

(ix) 405

5. In a train, there are 144 passengers travelling in an air conditioned compartment and 360 passengers are travelling in a non-air conditioned compartment. In which compartment more passengers are travelling? Insert the < or > sign to answer.

Answer:

5. 360 > 144

6. Nitheeya buys 100 stamps less than Joe. If Joe has bought 700 stamps. How many stamps were bought by Nitheeya.

Answer:

6. 600

2nd Grade Math Practice

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