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Addition
Subtraction
Multiplication
Addition and Subtracting
Word Problems
100
435+335
What is 770
100
300-250
What is 50
100
8*8
What is 64
100
90+32
What is 122
100

Martin said -75+54 was 129.Is he wrong, and if so then explain his error and say the real answer to the problem.

What is yes, because he added 75+54 instead of subtracting them since they have different signs, the answer is 21

200
4+(-4)
What is 0
200
5-(-4)
What is 9
200
-9*12
What is 108
200
98-65
What is 33
200

Joe was 2,000 feet below sea level. His friend Bob was 1,568 feet above sea level.  Which number is bigger? Who has a higher sea level?

1568 because 2000 is negative. Bob has the higher sea level. 

300
-15+(-17)
What is (-2)
300
-54-13
What is 41
300
-15*-7
What is 105
300
40-(-57)
What is 97
300

Billy said -89+56 is -33. Is he wrong, and if so explain his error and write the correct answer.

What is no

400
-35+27
What is -8
400
35-(-60)
What is 95
400
32*-21
What is -672
400
-98+50
What is -48
400

Harry was playing football.He started at twenty yards. He got the ball, but lost ten yards. The next play he gained fifteen. What yard is he at now?

What is 25

500
-435+847
What is 412
500
30-(-60)-32
What is 58
500

-50(-12)(-6)

What is 3,600

500

-57+76-64

What is 83

500

Sally says -12*-12*-5 is -720, but Sarah says -12*-12*-5 is 720. Who's right? Explain.

What is -720, because -12*-12 is 144, since same signs equal a positive, times five is is 720, since different signs equal a negative.