Posted by Angie Seltzer on 4/28/2016 to K-5 Base 10 Operations
Why should you encourage kids to group objects as they count them?
Suppose students are counting 14 pennies. Encourage them to make groups of five or ten objects.
There are several advantages to making groups.
- Accuracy: Students sometimes lose track while counting. Making groups helps students count more accurately.
- Place Value: Making groups of 10 and telling the total will help students develop an understanding of place value. If students have made groups of 5, they can combine two groups to make a 10.
- Connection to Addition: The numbers in each group and the total can be shown as an addition sentence. Common Core standard K.NBT.1 requires Kindergarten students to understand the teen numbers as 10 plus ones. For example, 14 = 10 + 4.
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