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Algebra Common Core 3.NBT.A.1 resources for SMART Notebook
Grade 3 Math Module 2 Topic D
In Topic D, students revisit the standard algorithm for addition, which was first introduced in Grade 2 (2.NBT.7). In this topic, they add two- and three-digit metric measurements and intervals of minutes within 1 hour. As the lesson progresses, the students transition away from modeling on the place value chart and move toward using the standard algorithm.
Subjects:
Grades:
3rd
Types:
Grade 3 Math Module 2 Topic C
Topic C builds on students’ Grade 2 work with comparing numbers according to the value of digits in the hundreds, tens, and ones places (2.NBT.4). Lesson 12 formally introduces rounding two-digit numbers to the nearest ten. Rounding to the leftmost unit usually presents the least challenging type of estimate for students, and so here the sequence begins. Students measure two-digit intervals of minutes and metric measurements, and then use place value understanding to round. They understand that
Subjects:
Grades:
3rd
Types:
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