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Numbers and Operations Lesson Plans
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Learners explore operations with whole numbers. In this K-6 mathematics lesson, students use a calculator to develop operation sense in terms of the effect an operation has on the numbers involved. Learners collect data and look for patterns and make conjectures regarding numbers or operations.
Second graders explore estimation and place value. For this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and assessments are provided.
Students access prior knowledge to round numbers and add decimals. In this mental math activity, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins presented them. Students complete a worksheet and play a game.
Learners work with rectangles to find generalizations for adding and subtracting odd and even numbers. They are give some 2" by" and some "2 by with a tail" shapes to small groups. Students identify some examples of shapes that represent odd numbers and some that represent even numbers. They work in groups to find patterns when they add or subtract the numbers the shapes represent.
Students explore place value. In this place value instructional activity, students pull cubes out of bags to create numbers and record the numbers by coloring cubes on a worksheet. Students use stacked cubes as tens and separate cubes as ones.
Students explore rational numbers. In this number sense lesson, students use calculators to collect data and identify patterns that illustrate the relationship between the rational number and division.
Students participate in a race to compare whole numbers. In this number operations instructional activity, students create the largest 10-digit number and discuss how they constructed the largest number.
Here is a phenomental lesson on place value to the thousands place. Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other meaningful place value activities. Resources are provided.
Students investigate integers on a number line. In this integer instructional activity, students explore integers, positive numbers, negative numbers, and absolute value. Students investigate associative, commutative and distributive properties of integers. Students study product, quotient, sum, and difference of integers.
Second graders identify number patterns. In this number lesson, 2nd graders find the rule or pattern in a group of numbers and continue the pattern using the rule. They create their own number pattern by making their own rule.
