Reasoning with Shape Patterns Diagnostic Assessment

Suri is creating a shape pattern using toothpicks for Art Class. She will continue the pattern for one week.

Which picture shows what the design will look like on the 5th day?

• 
• 
• 

Complete the input and output table to show the number of toothpicks used on Day 2.

a

c

10

7

4

2

Complete the input and output table to show the number of toothpicks used on Day 3.

a

e

3

13

2

10

7

Complete the input and output table to show the number of toothpicks used on Days 4 and 5.

d

c

f

g

13

10

5

6

4

12

16

9

Suri is creating a shape pattern using toothpicks for Art Class. She will continue the pattern for one week.

How many toothpicks will Suri use on Day 5?

Suri is creating a shape pattern using toothpicks for Art Class. She will continue the pattern for one week.

How many toothpicks will Suri use on Day 6?

What pattern do you notice in Section A?

• The shape increases by 3 blocks each time.

• The shape increases by 4 blocks each time.

• The shape increases by 4 blocks and then by 8 blocks.

• The shape decreases by 4 blocks each time.

What pattern do you notice in Section B?

• The shape increases by 3 blocks each time.

• The shape increases by 4 blocks each time.

• The shape increases by 4 blocks and then by 8 blocks.

• The shape decreases by 4 blocks each time.

What pattern do you notice in Section C?

• The shape increases by 3 blocks each time.

• The shape increases by 4 blocks each time.

• The shape increases by 4 blocks and then by 8 blocks.

• The shape decreases by 4 blocks each time.

What pattern do you notice in Section D?

• The shape increases by 3 blocks each time.

• The shape increases by 4 blocks each time.

• The shape increases by 4 blocks and then by 8 blocks.

• The shape decreases by 4 blocks each time.