11-1,11-2

What is the difference?

91 - 10 =

• 80

• 90

• 75

• 81

What is the difference?

65 - 20 =

• 45

• 55

• 40

• 50

What is the difference?

78 - 33 =

• 45

• 50

• 55

• 40

What is the difference?

100 - 47 =

• 50

• 57

• 60

• 53

What is the difference?

85 - 29 =

• 60

• 55

• 50

• 56

What is the difference?

72 - 18 =

• 60

• 55

• 50

• 54

What is the difference?

93 - 44 =

• 49

• 47

• 50

• 48

Mr. Ali buys 50 palm trees. His students plant 30 palm trees. How many trees still need to be planted?

• 20

• 10

• 25

• 30