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Illustrative Mathematics
Illustrative Mathematics: Choral Counting
This can be a daily activity to reinforce learning number sequences. The teacher will need a 100 chart or large number line and a pointer. As a whole group, have young scholars chant the counting sequence starting with one to thirty,...
Better Lesson
Better Lesson: Magic of Adding Tens
Can your students make bundles of tens? This lesson allows students to visualize adding tens to make one hundred.
Illustrative Mathematics
Illustrative Mathematics: Where Do I Go?
Students will get a chance to move around while practicing number sequences. Teachers will pre-make or buy cards numbered to 100. Give each student a card and have them move around and arrange themselves in sequential order. Multiple...
Better Lesson
Better Lesson: Moving Along in Hundreds
The Common Core standard is that students understand that the numbers 100, 200, etc. represent so many groups of 100.
Better Lesson
Better Lesson: The Video Game Model of Adding
Video games often dole out points in groups of 25, 50 and 100 because they are easy numbers to multiply. Practice with patterns of 5 and 10 apply directly to understanding patterns with 50 and 100.
Better Lesson
Better Lesson: Hundreds, Tens, Ones Are Coins Too
Second graders will extend their understanding of hundreds, tens and ones using dollars, dimes and pennies as another way to express groups of 100, 10 and 1.