Each episode: three choices, three challenges and several endings. Every ending is a safe one. Which line Nina skates depends on the angles your kid picks.

1. 1 1. The Wallabout 15 min Nina looks over the edge of the Wall for the first time. Coach Dee says practice ramps first: 20°, 35° or 50°? Members
2. 2 2. Scrap Wood Kickerabout 15 min The crew builds a kicker out of scrap plywood. The cuts only fit if the angles on the side add up. Members
3. 3 3. Cones Everywhereabout 15 min Otis sets up a cone course with turns too sharp to skate. Nina has to find a line she can actually ride. Members
4. 4 4. Half a Turnabout 15 min Nina is learning the 180 on flat ground. Why does she keep landing at 90? Members
5. 5 5. Rain Dayabout 15 min Rain closes the park. Nina, Sam and Otis plan the showcase line on graph paper, one shape at a time. Members
6. 6 6. Drop Inabout 15 min Showcase day. The Wall, the kicker and one line that uses everything Nina measured this summer. Members

Characters

Eastside Skatepark in July: cracked concrete, a pile of scrap plywood, chalk on everything and one old half-pipe everyone calls the Wall. Coach Dee runs the summer program and lets the kids build their own ramps, if the plans add up.

• Nina Lead · 11 Measures twice, rolls once, and calls every fall research.
• Sam Nina’s brother · 8 Keeps score of her falls, out loud.
• Coach Dee Runs the summer program Fixes ramps, lends pads and says: draw it first.
• Otis Rival · 12 Fast, loud, and the owner of far too many traffic cones.

What kids practice

Math · Angles and shapes, grades 4–5. Each skill comes up inside the story, where a choice depends on it.

• Measure and name anglesAcute, right and obtuse, read off a protractor.Is a 35° ramp acute?Comes up in Episode 1: The Wall
• Angles that add upAngles on a straight line make 180°.180° − 115° = 65°Comes up in Episode 2: Scrap Wood Kicker
• Turns in degreesQuarter, half and full turns, and which way you face after.A 180 is half of 360°Comes up in Episode 4: Half a Turn

More like this

More series in math, science and code. SLICE! Episode 1 is free to read today.

MembersMIXMath · Ratios and percents

MembersPUSHScience · Forces and motion

MembersFIZZScience · Matter and mixtures

MembersLOOPCode · Logic and loops

Episode 1 freeSLICE!Math · Fractions

Details

• SettingEastside Skatepark in July: cracked concrete, a pile of scrap plywood, chalk on everything and one old half-pipe everyone calls the Wall.
• CharactersNina, her brother Sam, Coach Dee and Otis.
• SubjectMath · Angles and shapes. Measure and name angles, angles that add up, and turns in degrees.
• Grades4–5. Ages 9 to 12.
• FormatA branching comic. Your kid makes the choices, and the math decides what happens. Three choices, three challenges and several endings per episode.
• LengthAbout 15 minutes per episode. Season 1 has 6 episodes.
• When it startsSeason 1 is coming soon. Members get each new episode the week it comes out.
• SafetyNo ads, no chat. Safety and privacy