Number Sequence and Place Value

Which number is missing in this sequence? 24, 23, 22, 21, ______, 19, 18.

• 30

• 50

• 20

What are the next two numbers in this sequence:

53, 52, 51, _______, ______

• 50, 49

• 55,54

• 50, 15

• 32, 31

Which three numbers are missing from this sequence:

89, ......., 91, 92, 93, 94, ..........., .........

• 89, 91, 97

• 90, 95, 96

• 50, 59, 69

• 88, 89, 90

What is the next number in this sequence:

5, 10, 15, 20, __

• 25

• 21

• 19

• 12

Continue this sequence:

60, 50, 40, 30

• 12, 11

• 20, 10

• 40, 50

• 29, 28

What is expanded form for the number 17?

• 10 + 7

• 1 + 7

• 20 + 7

• 7 + 1

What place is the 2 in, in the number 24

• 2Units

• 2Tens

• 2Hundreds

• 2Thousands

How many tens are in 85?

• 50tens

• 8tens

• 5tens

• 85tens

What is the value of 2 in this number?

32

• 9tens

• 2unit

• 9hundred

• 200

Which words mean the same as 40+2?

• forty -two
• five
• sixty-six
• one hundred six