Increasing and Decreasing Patterns

What are the two missing numbers in the number pattern below?

66, 61, 56, 51, ___ , 41, 36, ___ , .....

• 45 and 35

• 46 and 31

• 52 and 31

• 52 and 37

Natalie created the following decreasing pattern:

546, 536, 526, 516, 506, 496

What is the rule for this pattern?

• Start at 496, subtract 5 each time

• Start at 546, subtract 5 each time

• Start at 496, subtract 10 each time

• Start at 546, subtract 10 each time

Monique created the following decreasing number pattern. Two numbers are missing in this pattern.

55, 50, 45, 35, 30, 25, 20, 10, 5, ....

What are the two missing numbers?

• 40 and 30

• 15 and 25

• 40 and 15

• 45 and 15

Shruti created the above pattern:

How many circles are there in the fifth figure?

• 15

• 12

• 10

• 5

Examine the pattern. How many squares are there in the fourth figure?

• 14

• 13

• 12

• 11

Which statement about the following patterns is true?

A. 62, 74, 86, 98

B. 62, 50, 38, 26

• They have the same starting point and increase in the same way.

• They have the same starting point and they are increasing patterns.

• They have the same starting point and they are decreasing patterns

• They have the same starting point and they do not increase in the same way

Examine the pattern:

How many circles are there in the fifth figure?

• 2

• 3

• 4

• 5

Examine the pattern:

How many squares are there in the first figure?

• 2

• 4

• 12

• 14

Marthe created the above pattern using red and yellow counters:

What is the rule for this pattern?

• add 1 yellow counter to the left and 1 red counter to the right each time

• add 2 red counters to the left and 2 yellow counters to the right each time

• add 1 yellow and 1 red counter to the left and 1 yellow and 1 red counter to the right each time

• add 1 red counter to the left and add 1 yellow counter to the right each time