Three Addends: Sums, Odd and Even
- Pages
- 1
- File type
- Subject
- Addition, Addition and Subtraction, Math
- Resource types
- Worksheets, Worksheets & Printables
- Ontario expectations
- B2.2 B1.5
From the author
About this resource
Add three numbers, decide whether the total is odd or even, then write another three-addend equation with the same sum.
- Rows of three-addend equations
- Parity column for each computed sum
- Space to create an equivalent three-addend equation
Curriculum reference — Ontario: Inspect values before claiming an addition-facts range; parity is a separate component. Three one-digit addends are explicit in England Year2; parity is an additional topic. Use Grade2 addition facts and odd/even concepts only where sums stay within the actual worksheet range. Selected skills only; reference stage is not an overall reading age, complete curriculum coverage, or an automatic recommendation for every learner.
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Find the sum of three one-digit addends
- Construct a different three-addend expression with an equivalent total
Teaching tips
- After solving, let learners change one addend up and another down by the same amount to generate a new equivalent equation.
Skills covered
- Multi-addend computation — Combine three quantities accurately
- Equivalent-expression reasoning — Preserve a total while changing addends
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Ontario curriculum
Ontario curriculum expectations
Ontario expectations
Ontario expectations
- B2.2 — recall and demonstrate addition facts for numbers up to 20, and related subtraction facts
- B1.5 — describe what makes a number even or odd
Core concepts
Core concepts
- Three addends
- Equivalent sums
- Odd and even
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