Mental Math Ten More Ten Less

What number is this?

9 ones and 2 tens

• 29

• 92

• 902

• 209

Which is the same as 35?

• 3 ones and 5 tens

• 30 tens and 5 ones

• 3 tens and 5 ones

• 30 ones and 5 tens

What is
10 more than
63?

• 53
• 73
• 65
• 83

What is

10 less than

38?

• 37

• 48

• 28

• 18

What is 10 more than 2?

• 12
• 22
• 10
• 5

What is 10 less than 69?

• 68
• 79
• 70
• 59

What is 10 less than 58?

• 59
• 48
• 57
• 38

Kenny had 36 M&Ms. His brother gave him 10 more. How many M&Ms did Kenny have?

• 56

• 36

• 46

• 66

My grandma gave me $47 for my birthday. I spent $10 on a new toy. How much money do I have left?

• $27

• $37

• $47

• $77

Elijah had 29 rocks in his collection. He found 10 more rocks at the park. How many rocks does he have in his collection now?

• 10

• 28

• 19

• 39