Question

for each number below, is it even or odd?
391 \todd \teven
82 \todd \teven
38 \todd \teven
24 \todd \teven
646 \todd \teven

Explanation:

Step1: Recall even/odd rule

A number is even if divisible by 2 (last digit 0,2,4,6,8), odd otherwise.

Step2: Analyze 391

Last digit 1 (not 0,2,4,6,8) → Odd.

Step3: Analyze 82

Last digit 2 (in 0,2,4,6,8) → Even.

Step4: Analyze 38

Last digit 8 (in 0,2,4,6,8) → Even.

Step5: Analyze 24

Last digit 4 (in 0,2,4,6,8) → Even.

Step6: Analyze 646

Last digit 6 (in 0,2,4,6,8) → Even.

Answer:

• 391: Odd (select the circle under Odd)
• 82: Even (select the circle under Even)
• 38: Even (select the circle under Even)
• 24: Even (select the circle under Even)
• 646: Even (select the circle under Even)