# Math: Collecting and Analyzing Data

### Suggested Time Frame: 10 Instructional Days

##### Focus TEKS

Collect and Display Data

• 1.8A Collect, sort, and organize data in up to three categories using models/representations such as tally marks or T-charts
• 1.8B Use data to create picture and bar-type graphs
• 1.8C Draw conclusions and generate and answer questions using information from picture and bar-type graphs
##### Numeracy TEKS

Developing Strategies for Adding and Subtracting (Suggested: 10 days)

• 1.3D Apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10
• 1.5F Determine 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
##### Spiral Review TEKS

Creating, Solving, and Representing Story Problems (Suggested: 10 days)

• Computation
• 1.3D Apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10
• 1.5F Determine 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
• 1.5G Apply properties of operations to add and subtract two or three numbers
• Problem Solving
• 1.3B Use objects and pictorial models to solve word problems involving joining, separating, and comparing sets within 20 and unknowns as any one of the terms in the problem such as 2 + 4 =___; 3 +___= 7; and 5 =___– 3
• 1.3F Generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20
• Representing and Explaining
• 1.3E Explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences
• 1.5D Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences
• 1.5E  Understand that the equal sign represents a relationship where expressions on each side of the equal sign represent the same value(s)

Telling Time (Ongoing)

• 1.7E  Tell time to the hour and half hour using analog and digital clocks