Count by 10s

Count by 10's.  What number comes next?
20, 30, 40, 50, ____?

• 60
• 55
• 51
• 50

Count by 10's.  What number comes next?
40, 50, 60, 70, ____?

• 75
• 71
• 80
• 65

Count by 10's.  What number comes next?
60, 70, 80, 90, _____?

• 95
• 10
• 91
• 100

Count by 10's. What number comes next?
34, 44, 54, 64, ____?

• 74
• 65
• 70
• 60

Count by 10's. What number comes next?

51, 61, 71, 81, ____?

• 92

• 100

• 91

• 101

Count by 10's.  What number is missing?
70, ___, 90, 100, 110

• 75
• 71
• 80
• 120

Count by 10's.  What numbers are missing?
27, ____, ____, 57, 67

• 30, 35
• 37, 77
• 37, 47
• 40, 45

Count by 10's.  What pattern is right?

• 10, 20, 25, 50
• 7, 17, 27, 37
• 90, 91, 92, 93
• 50, 55, 60, 65