Addition & subtraction

What is the result of adding 6 and 7?

• 5
• 11
• 13
• 15

What is the result of subtracting 7 from 15?

• 7
• 8
• 9
• 10

What is the result of adding 6 and 8?

• 10
• 12
• 14
• 16

What is the result of subtracting 6 from 11?

• 4
• 5
• 6
• 7

What is the result of adding 7 and 12?

• 17
• 19
• 21
• 23

What is the result of subtracting 5 from 12?

• 5
• 7
• 9
• 11

What is the result of adding 8 and 9?

• 15
• 17
• 19
• 21

What is the result of subtracting 9 from 16?

• 5
• 7
• 9
• 11

What is the result of adding 7 and 11?

• 17
• 19
• 21
• 23

What is the result of subtracting 11 from 18?

• 5
• 7
• 9
• 11