Lesson plan

# 6. Adding to find the sum of 10 ones and 1, 2, 3, 4, 5, 6, 7, 8, or 9 ones (A)

teaches Common Core State Standards CCSS.Math.Content.K.NBT.A.1 http://corestandards.org/Math/Content/K/NBT/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

## You have saved this lesson plan!

Here's where you can access your saved items.

Dismiss

Lesson objective: Apply their knowledge that the numbers 11-19 are the sum of 10 ones and 1, 2, 3, 4, 5, 6, 7, 8, or 9 ones.

This lesson provides an opportunity for students to apply their knowledge and understanding of numbers 11-19 to a mathematical situation. Students are asked to represent the numbers 11-19 in various representations which include: pictures, number bonds, and equations.

Key Concept students will use:

• The numbers 11-19 are the sum of 10 ones and 1, 2, 3, 4, 5, 6, 7, 8, or 9 ones.

Skills students will use:

• their knowledge that numbers 11-19 are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.
• the concept that the concept that the numbers 11-19 are the sum of ten ones and some more ones.

Students engage in Mathematical Practice 7 students look for and make use of structure as they represent teen numbers in various ways.

Key vocabulary:

• compose
• decompose
• equality
• equation
• number bond
• sum

Special materials needed:

• counters (optional)
• My Teen Numbers book template
• ten frames (optional)
Related content
Appears in
• 6. Adding to find the sum of 10 ones and 1, 2, 3, 4, 5, 6, 7, 8, or 9 ones (A)