Public learning track
Word Problems With Unknowns in Any Position
7 lessons
Goal
Represent and solve addition and subtraction word problems within 20 where any number may be unknown.
Featured Diagrams
Put-Together Word Problems (Total Unknown)
7 lessons
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- Take-From Word Problems (Result Unknown)Not started yet
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- Finding the Unknown in Addition EquationsNot started yet
- Finding the Unknown in Subtraction EquationsNot started yet
- Three-Number Word Problems With a Missing NumberNot started yet
Standards Covered
- 111.3(b)(5)(D)Texas Essential Knowledge and Skills (TEKS) · Math · 1st grade · Grade 1represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences;
- 111.3(b)(1)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 1st grade · Grade 1apply mathematics to problems arising in everyday life, society, and the workplace;
- 111.3(b)(1)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 1st grade · Grade 1use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution;
- 111.3(b)(5)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 1st grade · Grade 1determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation; and
- 111.3(b)(1)(C)Texas Essential Knowledge and Skills (TEKS) · Math · 1st grade · Grade 1select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
1
5 lessons
Repeating and Growing Patterns
Identify, extend, and create repeating and growing patterns using shapes, colors, and numbers.
2
4 lessons
10 More and 10 Less Up to 120
Use place-value relationships to quickly find 10 more or 10 less than any number up to 120.
3
7 lessons
Word Problems With Unknowns in Any Position
Represent and solve addition and subtraction word problems within 20 where any number may be unknown.
4
6 lessons
Understanding Equality and Properties of Operations
Understand the equal sign as a relationship between equal values and use properties of operations to add and subtract.