The shoe collection associated with the unit continues and students will put out more shoes around the school in pairs of two. This lesson reviews the concepts of counting by adding two, five, and ten. It introduces a way to count numbers quickly by using a Ten Frame to count fives and tens and introduces a game called 100 Hunt.This lesson was developed by James Agner as part of their completion of the North Carolina Global Educator Digital Badge program. This lesson plan has been vetted at the local and state level for standards alignment, Global Education focus, and content accuracy

For this assessment, students are asked about what they would purchase at the store given a set amount of money and prices.

In this lesson, students share and critique peer strategies for adding two-digit numbers.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than ten.

In this lesson, students add a pair of two-digit numbers with varied sums in the ones.

In this lesson, students add a pair of two-digit numbers with varied sums in the ones.

In this lesson, students add a multiple of 10 to any two-digit number within 100.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10 using decomposition.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10 using decomposition.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing. Recording the total below.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing. Record the new ten below.

In this lesson, students add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing. Record the new ten below.

In this lesson, students add a pair of two-digit numbers with varied sums in the ones, and compare the results of different recording methods.

In this lesson, students solve and share strategies for adding two-digit numbers with varied sums.