Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.

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Math Games for Teachers

Grade 3 - Shape and Space

Standard 3.SS.4 - Practice finding the appropriate weight of various objects. Understand the approximate scale of different metric units.

Included Skills:

Demonstrate an understanding of measuring mass (g, kg) by:
selecting and justifying referents for the units g and kg
modeling and describing the relationship between the units g and kg
estimating mass using referents
measuring and recording mass.

Achievement Indicators
Students who have achieved this outcome(s) should be able to:
- Provide a personal referent for one gram and explain the choice.
- Provide a personal referent for one kilogram and explain the choice.
- Match a given standard unit to a given referent.
- Explain the relationship between 1000 grams and 1 kilogram using a model.
- Estimate the mass of a given object using personal referents.
- Determine and record the mass of a given 3-D object.
- Measure, using a scale, and record the mass of given everyday objects using the units g and kg.
- Provide examples of 3-D objects that have a mass of approximately 1 g, 100 g and 1 kg.
- Determine the mass of two given similar objects with different masses and explain the results.
- Determine the mass of an object, change its shape, re-measure its mass and explain the results.

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