# Exploring 4-Digit Place Value Unit Plan

8 x lessons | Suitable for grades: 2 - 3

This Mathematics unit addresses a range of place value concepts involving 4-digit numbers.

It consists of 7 lessons of approximately 60 minutes duration.

The sequence of lessons and suggested time frames should be regarded as a guide only; teachers should pace lessons in accordance with the individual learning needs of their class.

An assessment task for monitoring student understanding of the unit objectives is included and will require an additional lesson.

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### Curriculum

• #### Math 2.2(A)

Use concrete and pictorial models to compose and decompose numbers up to 1,200 in more than one way as a sum of so many thousands, hundreds, tens, and ones;

• #### Math 2.2(B)

Use standard, word, and expanded forms to represent numbers up to 1,200;

• #### Math 2.2(D)

Use place value to compare and order whole numbers up to 1,200 using comparative language, numbers, and symbols (>,

• #### Math 2.7(B)

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; and

• #### Math 3.2(A)

Compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate;

• #### Math 3.2(B)

Describe the mathematical relationships found in the base-10 place value system through the hundred thousands place;

• #### Math 3.2(D)

Compare and order whole numbers up to 100,000 and represent comparisons using the symbols >,

• #### Math 3.4(A)

Solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction;