# Place Value to 1,000

### Suggested Time Frame: 15 Instructional Days

##### Focus TEKS

Representing Numbers up to 1,000

• 2.2B use standard, word, and expanded forms to represent numbers up to 1,200 [1,000 in this unit]
• 2.2A use concrete and pictorial models to compose and decompose numbers up to 1,200 [1,000 in this unit] in more than one way as a sum of so many thousands, hundreds, tens, and ones
• 2.2E locate the position of a given whole number on an open number line
• 2.2F name the whole number that corresponds to a specific point on a number line
• 2.7B use an understanding of place value to determine the number that is 10 or 100 more or less than a given number up to 1,200 [1,000 in this unit]

Comparing Numbers up to 1,000

• 2.2D use place value to compare and order whole numbers up to 1,200 [1,000 in this unit] using comparative language, numbers, and symbols (>, <, or =)
• 2.2C generate a number that is greater than or less than a given whole number up to 1,200 [1,000 in this unit]
##### Numeracy TEKS

Grade 2 Re-Building Fluency with Addition and Subtraction Facts within 20 (Suggested: 11 days)

• 2.4A recall basic facts to add and subtract within 20 with automaticity [Including Count-On, Use-Doubles, and Make-Ten Strategies for Addition; Including Think Addition Strategy for Subtraction.]

Counting Patterns (Suggested: 4 days)

• RRISD 3.5 Skip count by whole numbers starting from 0 and other starting numbers and describe patterns observed while counting; [Skip count by twos and fives within 120.]
##### Spiral Review TEKS

2nd Grade Adding and Subtracting 2-Digit Numbers (Suggested: 15 days)

• Computation
• 2.4B add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations
• Problem Solving
• 2.4C solve one-step and multi-step word problems involving addition and subtraction within 1,000 [200 in this unit] using a variety of strategies based on place value, including algorithms
• 2.4D generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000 [200 in this unit]
• Representing
• 2.7C represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem

Telling Time (Ongoing)

• 2.9G read and write time to the nearest one-minute increment using analog and digital clocks and distinguish between a.m. and p.m.