Adding Numbers

1.  Mary had 42 people come to her house for trick or treating before 6 pm. After 6pm she had 39 people come to her house for trick or treating. How many did she have in all?

• 67
• 81
• 32
• 78

1.  32 + 37

• 69
• 42
• 102
• 66

34+8

• 40
• 39
• 41
• 45

Will has 24 crayons.
He gets 4 more boxes of crayons.
Each box has 10 crayons.
How many crayons does Will have now?

• 64
• 54
• 44
• 34

True or False:
25+7= 34

• True
• False

True or False:
34+6=39

• True
• False

Mrs. Stevenson has 49 erasers.  Mrs. Bryant gives her 73 more.  How many erasers does she have all together?

• 122
• 129
• 121
• 130

Find the answer. Regroup if you need to.
62 - 4 = ____

• 56
• 66
• 58
• 52

Look at this problem. Do you need to regroup to find the answer?
97 - 7 = ___

• Yes 
• No

What does it mean to "find the difference"?

• To look at two different numbers.
• To find the sum in an addition problem.
• To find the answer in a subtraction problem.