Measurement
Metric and customary units, square units, temperature and time. 27 skills, 81 sets, generated fresh every time.
- Metric length to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Metric length to a larger unitNumbers 20–40,000; every one will convert to a larger unit.Starter · Standard · Stretch
- Metric mass to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Metric mass to a larger unitNumbers 2,000–40,000; every one will convert to a larger unit.Starter · Standard · Stretch
- Metric volume to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Metric volume to a larger unitNumbers 20–39,000; every one will convert to a larger unit.Starter · Standard · Stretch
- Customary length to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Customary length to a larger unitNumbers 6–70,400; every one will convert to a larger unit.Starter · Standard · Stretch
- Customary weight to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Customary weight to a larger unitNumbers 48–80,000; every one will convert to a larger unit.Starter · Standard · Stretch
- Customary capacity to a smaller unitNumbers 2–40; every one will convert to a smaller unit.Starter · Standard · Stretch
- Customary capacity to a larger unitNumbers 4–320; every one will convert to a larger unit.Starter · Standard · Stretch
- Converting Celsius to FahrenheitNumbers 5–100; 83% start above freezing.Starter · Standard · Stretch
- How long between two timesNumbers 5–55.Starter · Standard · Stretch
- Turning hours and minutes into minutesNumbers 2–55.Starter · Standard · Stretch
- Adding minutes to a clock timeNumbers 5–200; 52% stay inside the same hour.Starter · Standard · Stretch
- Converting Fahrenheit to CelsiusNumbers 4–212; 88% start above freezing.Starter · Standard · Stretch
- Time units to a smaller unitNumbers 2–20; every one will convert to a smaller unit.Starter · Standard · Stretch
- Time units to a larger unitNumbers 14–1,200; every one will convert to a larger unit.Starter · Standard · Stretch
- Feet and inches to inchesNumbers 1–12; every one will arrive written in two units at once.Starter · Standard · Stretch
- Yards and feet to feetNumbers 1–20; every one will arrive written in two units at once.Starter · Standard · Stretch
- Pounds and ounces to ouncesNumbers 1–15; every one will arrive written in two units at once.Starter · Standard · Stretch
- Gallons and quarts to quartsNumbers 1–12; every one will arrive written in two units at once.Starter · Standard · Stretch
- Metric area units, downwardsNumbers 2–20; every one will need the length factor used twice, because the units are square ones.Starter · Standard · Stretch
- Metric area units, upwardsNumbers 200–200,000; every one will need the length factor used twice, because the units are square ones.Starter · Standard · Stretch
- Customary area units, downwardsNumbers 2–20; every one will need the length factor used twice, because the units are square ones.Starter · Standard · Stretch
- Customary area units, upwardsNumbers 18–2,880; every one will need the length factor used twice, because the units are square ones.Starter · Standard · Stretch
The years these sit in
Our judgement about where each skill usually falls, not a standard — printed so you can disagree with it.