Season 18

**Season 18** of Denise and the Numbers consists of episodes 2576 to 2755.

The season premiered on September 4, 2006.

## Plot overview

*This is where you write about the general story in the season so far. A few sentences will be enough for starters. You can expand this section later.*

## Trailer

*You can replace this text with a video trailer using our "Add a video" tool. Or you can remove this section entirely.*

## Episodes

### Week 1 (Measurements)

* Episode 2576: 1 measures Denise's fence
* Episode 2577: The negative numbers learn how to measure
* Episode 2578: In a mansion, the numbers must measure all the furniture
* Episode 2579: The even numbers measure everything in Tabitha's bedroom.
* Episode 2580: The forties measure every table in the Numbers Kingdom

### Week 2 (3D Shapes)

* Episode 2581: The negative numbers practice matching 3D shapes
* Episode 2582: The negative numbers make the 3D shapes that 100 tells them to make
* Episode 2583: Rosie wants to bring some 3D shapes to school. 1 and 3 identify each shape and put them in Rosie's backpack
* Episode 2584: When Tyler throws cubes all over the Numbers Kingdom, the numbers measure each one and put them back in the basket (repeat)
* Episode 2585: When 100 makes 3D shapes with lots of faces, the numbers must try and find out how many faces that shape has

### Week 3 (Volume)

* Episode 2586: After 37 and his friends get trapped by Denise, the other numbers find volumes of every shape she gives them.
* Episode 2587: 5 and friends figure out the volume of 15 triangular pyramids
* Episode 2588: 4 finds the volume of a sphere (repeat)
* Episode 2589: Denise gets random numbers with a matching radius number on a sphere. 4 finds the volume of that sphere (repeat)
* Episode 2590: 1 dreams about him finding the volumes of 3D shapes

### Week 4 (Addition)

* Episode 2591: 1 teaches the negative numbers a 2-digit addition lesson (repeat)
* Episode 2592: The numbers guide Jane through a skate park. When she stops at a ramp, she must answer a 3-digit addition question to continue. (repeat)
* Episode 2593: 1 goes on an adventure to save 99 from a net, but needs to answer addition questions to get through each wall
* Episode 2594: 18 must help 19 rescue a humpback whale by adding numbers together
* Episode 2595: Ryan needs the numbers' help to add his triangles.

### Week 5 (Rounding)

* Episode 2596: 1 discovers numbers with lots of digits in decimals and rounds them up or down. (repeat)
* Episode 2597: When 14 is trying to convert thirds to a decimal, he must round the numbers up or down (repeat)
* Episode 2598: It's rounding time for multiples of 6 as Denise rounds them to the nearest hundred. (repeat)
* Episode 2599: 3 rounds his multiples to the nearest ten.
* Episode 2600: 8 helps Gabriel complete her math homework by rounding numbers to the nearest thousand

### Week 6 (Pythagorean Theorem)

* Episode 2601: 100 explains 1 to 9 about the Pythagorean Theorem
* Episode 2602: While 12, 18, and 24 do the Triangle Dance, they find walls with triangles. They must use the Pythagorean Theorem to find the hypotenuse of each triangle
* Episode 2603: 3 numbers must find out if a triangle is right angled so that 3 and 107 can serve ice cream to his friends.
* Episode 2604: 7 determines on which isosceles triangle has a right angle
* Episode 2605: The numbers do a triangle quiz

### Week 7 (Rounding)

* Episode 2606: 1 must figure out which whole number each decimal is closer to
* Episode 2607: 5 rounds 50 to the nearest hundred and she learns that 50 is closer to 100. (repeat)
* Episode 2608: π rounds each decimal to the nearest whole number, and then he rounds himself to 3. (repeat)
* Episode 2609: The numbers want to round all of the numbers that have 4 in the ones place to the nearest multiple of 8 as 5 learns that if it's fives we round up and when it's 4 multiplied by an odd number and rounding to the nearest multiple of 8, we round up. (repeat)
* Episode 2610: While Bailey is trying to build a playhouse for the numbers, she rounds decimals to the nearest whole with help from 3, 6 and 9

### Week 8 (2D Shapes)

* Episode 2611: 2D Shapes in Wonderland (Day 1)
* Episode 2612: 2D Shapes in Wonderland (Day 2)
* Episode 2613: 2D Shapes in Wonderland (Day 3)
* Episode 2614: 2D Shapes in Wonderland (Day 4)
* Episode 2615: 2D Shapes in Wonderland (Day 5)

### Week 9 (3D Shapes)

* Episode 2616: While 24 travels through a coral reef to save Denise, she must find out how many faces each 3D shape has (repeat)
* Episode 2617: 12 makes different types of rectangular prisms. (repeat)
* Episode 2618: A tower of 3D shapes
* Episode 2619: 3 makes an obstacle course by making objects out of 3D shapes
* Episode 2620: With rocks carved into 3D shapes, 4 makes a box made of stone

### Week 10 (Order of Operations)

* Episode 2621: 1 teaches the negative numbers about the order of operations. (repeat)
* Episode 2622: A long math problem with brackets, an exponent, division, multiplication, addition and subtraction that is made by 5 must be solved by the numbers.
* Episode 2623: The Number Master gives 6 expressions with multiple operations. She must figure out what operation she needs to perform first and then, she solves each expression. (repeat)
* Episode 2624: The numbers sing a song about B.E.D.M.A.S
* Episode 2625: After a long day of learning about B.E.D.M.A.S, the numbers dream about sheep learning about the order of operations.

### Week 11 (Reading Numbers)

* Episode 2626: 100 hosts a number recognition show.
* Episode 2627: 0 recognizes each number
* Episode 2628: 1 reads his opposite a book to help him read numbers.
* Episode 2629: 5 must read each number to try and stop the Number Master from arresting Denise
* Episode 2630: Aliens in space read numbers

### Week 12 (Fractions)

* Episode 2631: *10 opens up a fraction lemonade stand*
* Episode 2632: 70 tries to multiply two mixed numbers
* Episode 2633: 3 must decide whether he should give 1 or 2 thirds of his pizza to 7
* Episode 2634: 0 tries to convert each fraction to a mixed number
* Episode 2635: The numbers have a pizza party with fractions.