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Math · Measuring and graphs

Weigh It: Heavier and lighter, ounces and pounds, cups and gallons, grams and liters

At a farmers' market stall, kids use a balance to tell heavier from lighter and to balance it. Then they pick sensible units: ounces or pounds, cups or gallons, grams or liters.

  • Grades1st grade, 2nd grade, 3rd grade
  • Levels5, from “Heavier or lighter?” to “Grams and liters”
  • A roundAbout 10 questions, a few minutes
  • PriceWith any plan, from $7.99 a month
Try it free for 7 daysSee plans and prices
A round of Weigh It on a phone

How Weigh It works

The 5 levels

  1. Heavier or lighter?
  2. Balance it
  3. Ounces or pounds?
  4. Cups and gallons
  5. Grams and liters

What it lines up with in school

Common Core State Standards for Mathematics. Standards vary by state, so check with your kid’s teacher.

K.MD.A.1
Describe things you can measure, like length and weight.
K.MD.A.2
Compare two objects to see which has more of something, like longer or heavier.
3.MD.A.2
Measure and estimate mass in grams and volume in liters.

Practice it at home

Questions about Weigh It

What grade is Weigh It for?
1st grade to 3rd grade. It’s a weight and capacity game with 5 levels that move up when your kid is ready.
Which standards does Weigh It cover?
It lines up with Common Core math K.MD.A.1, K.MD.A.2 and 3.MD.A.2. Standards vary by state, so check with your kid’s teacher for the exact match.
Does my kid need to read to play Weigh It?
No. Every question is read aloud, so kids who are still learning to read can play on their own.
How long is a round of Weigh It?
About 10 questions, a few minutes. Nine right on the first try and the next round is a level harder; a tough round steps back one.
Is Weigh It free?
It comes with every plan, from $7.99 a month, with a 7-day free trial. Number Garden and Gator Compare are free.

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