# Math: Extending Place Value Beyond 100

### Suggested Time Frame: 13 Instructional Days

##### Focus TEKS

Representing Numbers up to 130

• 1.2C  Use objects, pictures, and expanded and standard forms to represent numbers up to 120 
• 1.2B  Use concrete and pictorial models to compose and decompose numbers up to 120  in more than one way as so many hundreds, so many tens, and so many ones

Comparing Numbers up to 130

• 1.2E  Use place value to compare whole numbers up to 120  using comparative language
• 1.2D  Generate a number that is greater than or less than a given whole number up to 120 
• 1.2F  Order whole numbers up to 120  using place value and open number lines
##### Numeracy TEKS

Counting Coins

• 1.4C  Use relationships to count  by twos, fives, and tens- to determine the value of a collection of pennies, nickels and/or dimes

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

Addition and Subtraction [Solving, Explaining, and Representing]

• 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 [All CGI problem types; include problems about data and length as well]
• 1.3A  Use concrete and pictorial models to determine the sum of a multiple of ten and a one-digit number in problems up to 99
• Explaining
• 1.3E Explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences
• Representing
• 1.3F Generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20
• 1.5D Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences

Counting Collections

• 1.5A Recite numbers forward and backward from any given number between 1 and 120;
• 1.5B  Skip count by twos, fives, and tens to determine the total number of objects up to 120 in a set;