2.MATH.7.C
Represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem.
Grade 2 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
additionsubtractionword problemsunknownsterms
Skills
- represent (addition and subtraction word problems) #dok2
- solve (addition and subtraction word problems with unknowns in any position) #dok2
- identify (the unknown in a word problem) #dok1
- use (strategies to determine missing terms in equations) #dok2
Learning Targets
- I can identify the unknown term in an addition or subtraction word problem. #dok1
- I can represent an addition or subtraction word problem using objects, drawings, or equations. #dok2
- I can solve word problems where the unknown could be any term in the addition or subtraction equation. #dok2
- I can use different strategies to find missing numbers in math problems. #dok2
- I can explain my thinking when solving problems with unknowns in different places. #dok3
Big Ideas
- Addition and subtraction word problems can have unknowns in different places, and understanding this helps us solve real-life problems.
- There are multiple ways to represent and solve problems where an unknown value can be any part of a mathematical equation.
Essential Questions
- Where can the unknown be in an addition or subtraction word problem?
- How can you represent a word problem where you don't know all the numbers?
- What different strategies can you use to solve for the unknown in addition or subtraction?
- How does knowing where the unknown is in a problem help you find the answer?
- How can you explain the way you found the missing number in a word problem?