Question

for each number below, is it even or odd?
43 odd ○ even ○
685 odd ○ even ○
61 odd ○ even ○
178 odd ○ even ○
59 odd ○ even ○

Explanation:

Step1: Recall even/odd rule

A number is even if divisible by 2 (ends with 0,2,4,6,8), odd otherwise (ends with 1,3,5,7,9).

Step2: Analyze 43

43 ends with 3 (odd digit) → odd. Select Odd for 43.

Step3: Analyze 685

685 ends with 5 (odd digit) → odd. Select Odd for 685.

Step4: Analyze 61

61 ends with 1 (odd digit) → odd. Select Odd for 61.

Step5: Analyze 178

178 ends with 8 (even digit) → even. Select Even for 178.

Step6: Analyze 59

59 ends with 9 (odd digit) → odd. Select Odd for 59.

Answer:

• 43: Odd (select the circle under Odd)
• 685: Odd (select the circle under Odd)
• 61: Odd (select the circle under Odd)
• 178: Even (select the circle under Even)
• 59: Odd (select the circle under Odd)