Practice the questions given in the worksheet on properties of even and odd numbers.
We know, sum of two even numbers is an even number; sum of two odd numbers is an even number and sum of even and odd numbers is an odd number.
I. Without addition decide whether the sum is even or odd.
(i) 358 + 36 (solved as an example)
358 → even
+ 36 → even
Answer is even
(ii) 785 + 314
(iii) 902 + 258
(iv) 695 + 268
(v) 367 + 102
(vi) 119 + 421
(vii) 701 + 235
(viii) 836 + 402
(ix) 916 + 79
(x) 173 + 29
(xi) 56 + 92
(xii) 100 + 200
II. Add the following and write whether they are even or odd.
(i) 267 + 9
(ii) 780 + 302
(iii) 547 + 235
(iv) 606 + 480
(v) 391 + 83
(vi) 547 + 381
(vii) 927 + 102
(viii) 438 + 356
(ix) 522 + 129
(x) 320 + 114
(xi) 123 + 44
(xii) 148 + 135
Answers for the worksheet on properties of even and odd numbers are given below.
Answers:
I. (i) even, even, even
(ii) odd, even, odd
(iii) even, even, even
(iv) odd, even, odd
(v) odd, even, odd
(vi) odd, odd, even
(vii) even, odd, odd
(viii) even, even, even
(ix) even, odd, odd
(x) odd, odd, even
(xi) even, even, even
(xii) even, odd, odd
II. (i) 276 even
(ii) 1082 even
(iii) 782 even
(iv) 1086 even
(v) 474 even
(vi) 928 even
(vii) 1029 odd
(viii) 794 even
(ix) 651 odd
(x) 434 even
(xi) 167 odd
(xii) 283 odd
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