Lesson Plan : Place Value to Hundreds
Teacher Name: | D. Rinaldi |
Grade: | Grade 2 |
Subject: | Math |
Topic: | Mathematics |
Content: | place value and number sense for whole numbers Vocabulary: ones, tens, hundreds, place value, standard form |
Goals: | The student will develop number sense for whole numbers through 999. |
Objectives: | The student will be able to correctly identify the place value of each digit in a three digit number. |
Materials: | laminated place value mats, dry erase markers (or vis a vis markers), assorted place value discs in various colors for ones, tens, and hundreds (mine are cut from craft foam)and base ten blocks |
Introduction: | Show students the base ten blocks and ask how many each is worth. For this lesson, we will use the ones, tens, and hundreds. |
Development: | Demonstrate to students that a ten is equal to 10 ones and 10 tens is equal to 100. Show students an example on your place value mat and how to write a number and show it's value with base ten blocks, example - 375 is equal to 3 humdreds, 7 tens, and 5 ones. |
Practice: | The teacher will call out several three digit numbers for students to write on their place value mats and then demonstrate with the base ten blocks. The teacher will ensure that each student has the correct answer. |
Accommodations: | Consider having a jar with digits written on foam discs to randomly choose numbers. I have found this helpful for those students who get "stuck" on choosing a number. (It also correlates well with a discussion about randomness.) More advanced students can quickly move from the base ten blocks to the place value discs. |
Checking For Understanding: | I work with very small groups and in that setting the teacher can circulate and monitor student progress. The teacher may also choose to have individual students respond to questions about the value of a digit. |
Closure: | Quickly review the meaning of ones, tens, and hundreds and have students each choose one random number and take turns "being the teacher" (my students love this)and show their classmates the correct base ten blocks for each number. |
Evaluation: | A quick written evaluation may be used if desired. I would have 3 numbers and ask students to draw the correct base ten blocks for each and also have three sets of base ten blocks and have the student write the correct number in standard form for each. With smaller groups, teacher observation (or checklist)may be adequate. |
Teacher Reflections: | This lesson can easily be extended to include thousands, ten-thousands, etc. and once mastered becomes a terrific warm-up activity for math lessons on ordering numbers. |
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