Predict whether a sum is odd or even

Question 1

Hiro says: "11 + 3 must be odd, because both numbers are odd." True or false?

• A. True
• B. False

Question 2

Is 12 + 12 odd or even?

• A. Even
• B. Odd

Question 3

Without adding, is 27 + 81 odd or even?

• A. Even
• B. Odd

Question 4

Zoe says: "7 + 5 must be odd, because both numbers are odd." True or false?

• A. True
• B. False

Question 5

Is 3 + 3 odd or even?

• A. Even
• B. Odd

Question 6

Without adding, is 26 + 39 odd or even?

• A. Even
• B. Odd

Question 7

Mei says: "11 + 13 must be odd, because both numbers are odd." True or false?

• A. True
• B. False

Question 8

Is 2 + 12 odd or even?

• A. Even
• B. Odd

Question 9

Without adding, is 70 + 47 odd or even?

• A. Even
• B. Odd

Question 10

Ana says: "5 + 13 must be odd, because both numbers are odd." True or false?

• A. True
• B. False

Question 11

Is 10 + 9 odd or even?

• A. Even
• B. Odd

Question 12

Without adding, is 69 + 43 odd or even?

• A. Even
• B. Odd

Question 13

Ava says: "5 + 9 must be odd, because both numbers are odd." True or false?

• A. True
• B. False

Question 14

Is 10 + 8 odd or even?

• A. Even
• B. Odd

Question 15

Without adding, is 55 + 51 odd or even?

• A. Even
• B. Odd

Question 16

Ana says: "5 + 3 must be odd, because both numbers are odd." True or false?

• A. True
• B. False