Square and triangular numbers

These patterns of dots show the first four square numbers.

what is the next dot pattern for the 5th square number?

• 
• 
• 
• 

What is the 10th square number?

What is the 7th square number?

• 26

• 36

• 49

• 30

• 26

• 63

• 64

• 30

• 114

• 63

• 144

• 30

Look at this number pattern made using counters

The pattern starts 1, 3, 6, 10

What are the next two numbers in the sequences?

• 15, 21

• 21, 15

• 14, 15

• 20, 25

Look at this number pattern made using counters

The pattern starts 1, 3, 6, 10

What is the name for this sequence of numbers?

• triangular numbers

• square numbers

• cube numbers

• prime numbers