Grade 03 Mathematics - EC: M03.B-O.3.1.3
Grade 03 Mathematics - EC: M03.B-O.3.1.3
Continuum of Activities
The list below represents a continuum of activities: resources categorized by Standard/Eligible Content that teachers may use to move students toward proficiency. Using LEA curriculum and available materials and resources, teachers can customize the activity statements/questions for classroom use.
This continuum of activities offers:
- Instructional activities designed to be integrated into planned lessons
- Questions/activities that grow in complexity
- Opportunities for differentiation for each student’s level of performance
Related Academic Standards / Eligible Content
Activities
- Estimate the product of 53 x 4
- Which problem has a sum of about 1,000?
- 834 + 921
- 482 + 510
- 613 + 212
- 712 + 529
- Alex studied for 23 minutes on Tuesday and another 18 minutes on Wednesday. About how much did he study? Show your work.
- Four brothers made $223 selling their stuff online. About how much will the brothers get if they split it between them? Show your work.
- Bianca and her four friends went out to lunch together. The bill, including tip, came to $138.22. Bianca said they should each pay $28. Does this seem reasonable? Explain.
- Thomas was using a calculator for his math homework. He needed to solve 103 x 28. When he punched it into the calculator, the answer it gave him was 364. Does this seem reasonable? Justify your answer.
Answer Key/Rubric
- 200
- b
- Alex studied about 40 minutes.
Acceptable work may include, but is not limited to:
23 ≈ 20
18 ≈ 20
20 + 20 = 40
- Each brother will get about $55.
Acceptable work may include, but is not limited to:
223 ≈ 220
220 ÷ 4 = 55
- Yes
Explanations may include, but are not limited to:
- Bianca used estimation to figure out how much each person owed
- There are 5 people counting Bianca and her four friends
- Round the bill of $138.22 to $140
- 140 ÷ 5 = 28
- No
Acceptable responses may include, but are not limited to:
- Use estimation to check
103 ≈ 100
28 ≈ 30
100 x 30 = 3000 - The answer should be around 3,000
- 364 is not close to the estimate of 3,000
