The Middle Digit

/by

Investigate the pattern(s) involving the middle digit in the square of numbers whose digits are all 1’s.

Read more

Breaking the Code

/by

Use what you know or what you can find out about common letters to help you decode this message.

Read more

Counting Terms

/by

How many terms are in the given sequence?

Read more

Average Patterns

/by

Use the average of four 26’s and four 34’s to determine the average of four of another number.

Read more

Sprinting Around

/by

When will Sonic the Hedgehog, the Road Runner, and the Tasmanian Devil meet if they are running on a circular track following the patterns described?

Read more

Missing Letters

/by

Find the next two letters in the given sequence.

Read more

Number Machine

/by

What will the number machine give me if I put in 100?

Read more

Even Factors

/by

Find numbers whose factors are all even (excluding the number 1 as a factor).

Read more

Not So Good Partitions

/by

Find all positive whole numbers that are not “good” numbers.

Read more

Laying Bricks

/by

How many ways are there to lay bricks to form different patio patterns?

Read more