TEKS 2.7B: 10/100 More and Less
10 More, 10 Less
About this lesson
Learning Target: I can determine the number that is 10 more or 10 less than a given number
Focuses On:
- Creating ten more or ten less than a number within 100
- Creating ten more or ten less than a number within 1,200
Builds On:
1.2G:
Represent the comparison of two numbers to 100 using the symbols >, <, or = (R)
Next Level:
3.2D:
Compare and order whole numbers up to 100,000 and represent comparisons using symbols >, <, or =
Read More:
This lesson is designed to support student understanding of place value to create ten more or ten less than numbers within 100 and 1,200.
The two instructional blocks in this lesson focus on creating numbers that are ten more and ten less within 100 and creating numbers that are ten more and ten less within 1,200.
In the first instructional block, students use a hundred chart to look for patterns as they create numbers that are ten more and ten less than a given number.
The second instructional block focuses on using a place value chart to see how the numbers change when ten is added or taken away for numbers within 1,200. Focusing on what digits change when ten is added or taken away will help anchor students' understanding as they use the place value chart to guide their exploration.
Scaffolds and supports such as visual models and pictorial representations are intentionally built throughout the lesson to support conceptual learning.
Grade 2MathTEKS 2.7B100 More, 100 Less
About this lesson
Learning Target: I can determine the number that is 100 more or 100 less than a given number
Focuses On:
- Using knowledge of place value to figure out numbers that are 100 more or 100 less
Builds On:
1.2G:
Represent the comparison of two numbers to 100 using the symbols >, <, or = (R)
Next Level:
3.2D:
Compare and order whole numbers up to 100,000 and represent comparisons using symbols >, <, or =
Read More:
This lesson is designed to support student understanding of place value to create 100 more or 100 less than a given number.
The instructional block in this lesson uses a place value chart to help students visualize how the digits change when 100 is added or subtracted from a number. Students practice notating the number in standard and expanded form.
Scaffolds and supports such as visual models and pictorial representations are intentionally built throughout the lesson to support conceptual learning.
Grade 2MathTEKS 2.7B
