Question

for each number below, is it even or odd?
77
131
475
99
38
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.

Step2: Analyze 77

77 ends with 7 (not 0,2,4,6,8) → odd.

Step3: Analyze 131

131 ends with 1 → odd.

Step4: Analyze 475

475 ends with 5 → odd.

Step5: Analyze 99

99 ends with 9 → odd.

Step6: Analyze 38

38 ends with 8 → even.

Answer:

• 77: Odd (select the circle under Odd)
• 131: Odd (select the circle under Odd)
• 475: Odd (select the circle under Odd)
• 99: Odd (select the circle under Odd)
• 38: Even (select the circle under Even)