Grade 3
PrintGrade 3 introduces multiplication and division as the central algebraic ideas, alongside continued place value work up to 10,000. Geometry focuses on classifying shapes and understanding area and perimeter. Data and number strands reinforce scaled graphs and fraction concepts alongside whole-number operations.
Example Problems
John and Lauren are looking for a good neighborhood to raise their children. They want neighbors who have kids and who are fellow rollerbladers as well. The couple surveys a random sample of residents in a nice-looking neighborhood. Their results are shown below.
Lena rollerblades every morning. Omar does not have children. Zoe is an artist, but that's all we know.
Calculate the following probability based on the frequency table below.
Probability that Lena has kids = ?
Write your answer as a percent.
Lena rollerblades every morning. Omar does not have children. Zoe is an artist, but that's all we know.
Calculate the following probability based on the frequency table below.
| Kids | No kids | Row total | |
|---|---|---|---|
| Rollerblader | 41 | 9 | 50 |
| Not a rollerblader | 3 | 9 | 12 |
| Column total | 44 | 18 | 62 |
Probability that Lena has kids = ?
Write your answer as a percent.
Are both trapezoids and parallelograms quadrilaterals?
Apply the distributive property to factor out the greatest common factor.
Sheniqua is playing several rounds of a card game.
Answer the question about a situation that can be represented with the expression .
Did Sheniqua earn or lose 70 points in one of the card game rounds?
Answer the question about a situation that can be represented with the expression .
Did Sheniqua earn or lose 70 points in one of the card game rounds?
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