This week, students begin Number Worlds, Level E, Addition. Students will explore different strategies for adding one- and two-digit numbers and gain facility with mental addition.
• Use doubles facts and near-doubles facts to find sums.
• Use nice numbers to find sums.
• Find missing addends using mental computation.
• Use +10 combinations to solve problems mentally.
Objective: SWBAT......
Students can use doubles and near-doubles facts to find the sums of small numbers.
3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Vocabulary:
• Sum
Activity:
- Dog Bones
- Easy CBM https://app.easycbm.com/Mr.%20Simmons
- Building to ten and counting on
- SWB pg. 10-11
Debrief:
- Mental Math
Homework: None
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