How to Compare 2-Digit Numbers?
Compare the digits at the tens place first.
π The number with the greater digit at the tens place is greater.
π If the digits at the tens place are same, compare the digits at the ones place.
1. In each pair, write the greater number in the box and the small number in the circle.
(i) 18 17 |
(ii) 78 82 |
(iii) 19 66 |
(iv) 78 40 |
(v) 74 21 |
(vi) 41 61 |
(vii) 23 20 |
(viii) 79 87 |
Answer:
1. (i) Greatest Number: 18
Smallest Number: 17
(ii) Greatest Number: 82
Smallest Number: 78
(iii) Greatest Number: 66
Smallest Number: 19
(iv) Greatest Number: 78
Smallest Number: 40
(v) Greatest Number: 74
Smallest Number: 21
(vi) Greatest Number: 61
Smallest Number: 41
(vii) Greatest Number: 23
Smallest Number: 20
(viii) Greatest Number: 87
Smallest Number: 79
2. Fill >, < or = in the blank.
(i) 69 _____ 70
(ii) 51 _____ 60
(iii) 92 _____ 80
(iv) 91 _____ 99
(v) 98 _____ 98
(vi) 17 _____ 31
(vii) 37 _____ 73
(viii) 35 _____ 35
(ix) 16 _____ 11
(x) 89 _____ 83
(xi) 48 _____ 18
(xii) 18 _____ 80
Answer:
2. (i) <
(ii) <
(iii) >
(iv) <
(v) =
(vi) <
(vii) <
(viii) =
(ix) >
(x) >
(xi) >
(xii) <
3. Circle the smallest and tick (β) the greatest number.
(i) 14 7 41
(ii) 25 85 90
(iii) 63 51 67
(iv) 29 90 32
(v) 33 71 89
(vi) 27 53 50
(vii) 88 18 81
(viii) 74 13 27
(ix) 90 61 49
Answer:
3. (i) 7
(ii) 25
(iii) 51
(iv) 29
(v) 33
(vi) 27
(vii) 18
(viii) 13
(ix) 49
4. Circle the greatest number in each set.
(i) 24 42
(ii) 56 65
(iii) 82 81
(iv) 72 76
(v) 56 28
(vi) 98 24
Answer:
4. (i) 42
(ii) 65
(iii) 82
(iv) 76
(v) 56
(vi) 98
5. Circle the smallest number in each set.
(i) 18 81
(ii) 26 20
(iii) 90 70
(iv) 44 40
(v) 50 40
(vi) 60 20
Answer:
5. (i) 18
(ii) 20
(iii) 70
(iv) 40
(v) 40
(vi) 20
6. Put >, < or = in the box.
(i) 58 β’ 82
(ii) 14 β’ 16
(iii) 11 β’ 19
(iv) 25 β’ 40
(v) 60 β’ 90
(vi) 45 β’ 31
(vii) 80 β’ 60 + 20
(viii) 20 + 40 β’ 70
(ix) 50 β’ 40 + 50
Answer:
6. (i) <
(ii) <
(iii) <
(iv) <
(v) <
(vi) >
(vii) =
(viii) <
(ix) <
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