MA.3.AR.3.1

Is the number 456 even or odd? Explain using place value.

• Even, because the last digit is 6, which is even.

• Odd, because the last digit is 5, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 456 is even because its last digit is 6, which is an even number. In determining if a number is even or odd, only the last digit matters.

Determine if the number 789 is even or odd.

• Even, because the last digit is 8, which is even.

• Odd, because the last digit is 9, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 789 is odd because its last digit is 9, which is an odd number. Therefore, the correct choice is 'Odd, because the last digit is 9, which is odd.'

Which of the following is an even number?

• 123

• 234

• 345

• 567

Answer explanation

An even number is divisible by 2 without a remainder. Among the choices, 234 is even (234 ÷ 2 = 117), while 123, 345, and 567 are odd. Therefore, the correct answer is 234.

Which of the following is an odd number?

• 890

• 678

• 567

• 456

Answer explanation

An odd number is not divisible by 2. Among the choices, 890, 678, and 456 are even, while 567 is odd. Therefore, the correct answer is 567.

Is the number 248 even or odd? Explain using place value.

• Even, because the last digit is 8, which is even.

• Odd, because the last digit is 4, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 248 is even because its last digit is 8, which is an even number. In the place value system, the last digit determines if a number is even or odd.

Determine if the number 913 is even or odd.

• Even, because the last digit is 3, which is even.

• Odd, because the last digit is 3, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 913 is odd because its last digit is 3, which is an odd number. Therefore, the correct choice is 'Odd, because the last digit is 3, which is odd.'

Which of the following is an even number?

• 111

• 222

• 333

• 555

Answer explanation

An even number is divisible by 2 without a remainder. Among the choices, 222 is the only number that meets this criterion, as 111, 333, and 555 are all odd numbers.

Which of the following is an odd number?

• 444

• 666

• 777

• 888

Answer explanation

An odd number is not divisible by 2. Among the choices, 444, 666, and 888 are even, while 777 is odd. Therefore, the correct answer is 777.

Is the number 234 even or odd? Explain using place value.

• Even, because the last digit is 4, which is even.

• Odd, because the last digit is 3, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 234 is even because its last digit is 4, which is an even number. In determining if a number is even or odd, only the last digit matters.

Determine if the number 999 is even or odd.

• Even, because the last digit is 9, which is even.

• Odd, because the last digit is 9, which is odd.

• Even, because the sum of the digits is even.

• Odd, because the sum of the digits is odd.

Answer explanation

The number 999 is odd because its last digit is 9, which is an odd number. An even number ends with 0, 2, 4, 6, or 8, while an odd number ends with 1, 3, 5, 7, or 9.