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missing addends lesson plan
Transcript of missing addends lesson plan
Nikki Hamil First Grade CCSS.Math.Content.1.0A. D.8.
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8+?=11, 5=_ -3, 6+6=_ engaging activity!
As an introduction, we would read the story The Mission of Addition by Brian P. Cleary. The vivid pictures and rhyme schemes draw the attention of young students while learning about mathematics. In order to be successful within this lesson, students must be able to count to at least 10. Link to Prior Knowledge. After the review the teacher will give each child cookies to count on their own. 1. Introduction: Engaging Activity
Read Story The Mission of Addition
2. Present cookie jar to learn about math. Explain that there are a specific number of cookies in the jar. Once everyone knows the number of cookies in the jar have a student take a few cookies out.
3. While the selected student is taken the cookies out of the jar everyone else should have their eyes closed. As a class discuss the number of cookies that are missing. Ask why do you think that and how did you solve the problem.
4. Explain this is called the missing addend.
5. Provide students with examples for independent practice. 5 + __ = 8 __ + 4 = 9. __ + 7= 11 __ + 4 = 8 6 + __=12 Step by Step Procedures reinforce taught standards Students will play a game with partners called
bears in the cave. Each individual will obtain ten
chip and take turns solving the missing addend hidden
inside the "cave." The student will solve the missing addend
by adding up or subtracting back. individual play After the students have mastered bears in the cave as a group activity. This could be used as a quiet activity the children play at different times during the school day and could also be taken home to practice. Assessment strategy watch children as they do activity
watch when students play bears in the cave
Are they explaining their thinking, Do I hear them using the term missing addend, using terms added up or subtracted to determine missing bears. summarizing strategy: discuss other real world example related to missing addend. For example, you have 5 friends in class & 3 stay at home because they're sick, how many are in class today? You have 3 wheels on a car & you need four how many more do you need?