ClassFlow
Class Flow: Count Backwards by 2's, 5's, and 10's
[Free Registration/Login Required] Students use the pencil tool to count backwards by 2's, 5's, and 10's. Using the eraser tool, students can also check their work on each page of the flipchart.
Khan Academy
Khan Academy: Subtracting 1s or 10s (No Regrouping)
Practice solving problems like 67-5 and 67-50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
Khan Academy
Khan Academy: Add 1s or 10s (No Regrouping)
Practice solving problems like 34+5 and 34+50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiplying 10s
Practice multiplying 2-digit multiples of 10, such as 50x70=3500. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding 1s and 10s Guided Practice
Find 1 more, 1 less, 10 more, or 10 less than a number.
Khan Academy
Khan Academy: Add 1s or 10s (No Regrouping)
Practice solving problems like 34+5 and 34+50.
Khan Academy
Khan Academy: Add 10s and 100s (No Regrouping)
Practice solving problems like 344+20 and 344+200. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract 10s and 100s (No Regrouping)
Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add 10s and 100s (No Regrouping)
Practice solving problems like 344+20 and 344+200.
Better Lesson
Better Lesson: Count by 10's Review
Numbers don't stop at 20! This lesson looks at the numbers beyond 20 through a fun game. This lesson includes a detailed plan, links to center ideas, a review video, and a printable worksheet.
Better Lesson
Better Lesson: Count by 10's
Numbers don't stop at 20! This lesson looks at the numbers beyond 20 using the book "The Cheerios Counting Book" by Barbara Barbieri McGrath. This lesson includes a detailed plan, links to center ideas, a printable worksheet, and a video...
Khan Academy
Khan Academy: Subtracting 1s or 10s (No Regrouping)
Practice subtracting numbers less than 100.
A&E Television
History.com: When Apollo 10 Nearly Crashed Into the Moon
The mission that paved the way for the Apollo 11 moon landing came close to ending in disaster. Commander Tom Stafford and Lunar Module Pilot Gene Cernan had just returned from their close pass by the lunar surface and were readying to...
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Ten \$10S Make \$100
This complete lesson plan has students explore place value using money.
AAA Math
Aaa Math: Addition: Facts Through 10's
Use this online game to practice your addition facts through 10+10. The game keeps track of how many answers you have correct and incorrect. It even gives you a percent score of your correct answers.
Khan Academy
Khan Academy: Groups of Ten Objects
In this exercise, students grouping objects by 10s. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Saddleback College
Algebra2go: Rounding Numbers Problem Sets
This resource has three problem sets to practice rounding whole numbers to 10's, 100's and so on, place. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all...
Arcademics
Arcademics: Tandem Turtles
Multiplayer math game where turtle teams on skateboards race by rounding whole numbers to the nearest 10's place value.
Arcademics
Arcademics: Space Jaunt
Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.
Better Lesson
Better Lesson: Making Change
Second graders count by 5s, 10s and 25s to add money amounts and make change.
Better Lesson
Better Lesson: Using a Pattern to Solve a Problem
Patterns are prevalent in all levels of math. Common Core Standards expect students to be able to use structure - like that found in repeating the patterns of odd and even numbers or counting by 5s or 10s - to solve problems (MP7).
Better Lesson
Better Lesson: More Dimes and Dollars
Second graders need practice using coins and dollars and relating them to ones, tens and hundreds. Common Core standards include counting by 10s and 100s.
Better Lesson
Better Lesson: Multiply and Divide by 10
Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.
Other
Saskatoon Public Schools: Mental Math Strategies
Strategies for basic addition and multiplication are explained here and there are several practice worksheets that can be downloaded.
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