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2nd Grade Math | Khan Academy. 8 units · 75 skills. Unit 1 Add and subtract within 20. Unit 2 Place value. Unit 3 Add and subtract within 100. Unit 4 Add and subtract within 1,000. Unit 5 Money and time. Unit 6 Measurement. Unit 7 Data. Unit 8 Geometry. Course challenge. Test your knowledge of the skills in this course. Start Course challenge.
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1st Quarter: Quiz 1. Place value blocks within 1,000. Write numbers in different forms. Skip-count by 5s. Skip-count by 10s. Skip-counting by 100s. Compare 3-digit numbers. Create the largest number. Place value tables within 1,000. Identify the value of a digit (ones, tens, hundreds) Hundreds, tens, and ones. 1st Quarter: Quiz 2.
Sharpen your pencils and get ready to flex your math muscles! In this unit, you'll dive into addition and subtraction within 100. Whether you're using number lines, place value blocks, or solving word problems, you'll become a math master in no time.
Measuring lengths in different units (video) | Khan Academy. Explore. Search. AI for Teachers Donate Log in Sign up. 2nd grade. Course: 2nd grade > Unit 6. Lesson 2: Measure lengths. Measuring in inches. Measure lengths (inch, ft)
About this unit. You know that the number 123 isn't the same as the number 321, but do you really know why? In this unit on place value, we're going to explore what each digit means, how to break down numbers into their different place values, and how to compare numbers to see which is bigger or smaller. Intro to place value.
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131. 169K views 6 years ago Addition and subtraction within 100 | 2nd Grade | Khan Academy. Sal figures out which number line matches up with a 2-digit addition or subtraction problem....
Start practicing—and saving your progress—now: https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-s... Courses on Khan Academy are always 100% free.