S: 10. T: Are there some outside your bunch? S: Yes. T: Push all your things back together. Spread them all out over your work mat. Repeat this process 2 or 3 more times. Teen Number Bonds (3 minutes) Materials: (T) Number Bond Cards T: (Show a number bond with 10 and 5 as parts.) Say the number sentence. S: 10 and 5 makes 15. T: Flip it. S: 5 and 10 makes 15. Continue with 10 and 1, 10 and 9, 10 and 4, 10 and 8, 10 and 2, 10 and 6, 10 and 3, 10 and 7. Problem (6 minutes) Peter drew a number bond of 13 as 10 and 3. Bill drew one, too, but he switched around the 10 and 3. Show Bill and Peter’s number bonds. Draw a picture of thirteen things as 10 ones and 3 ones. Explain your thinking to your partner about what you notice about the two number bonds. Note: The students have noticed that the parts of number bond can be switched around in Module 4. Make it exciting for them to find out that the same rules, or math truths, apply to bigger numbers, too! Development (26 minutes) Materials: (S) Per pair of students: a bag of Hide Zero cards (1 ten and numerals 1–9), 2 sets of 10 linking cubes with 10 in one color and 10 in another color, a bag of 5-group cards, and a personal white board for each student
S: 10. T: Are there some outside your bunch? S: Yes. T: Push all your things back together. Spread them all out over your work mat. Repeat this process 2 or 3 more times. Teen Number Bonds (3 minutes) Materials: (T) Number Bond Cards T: (Show a number bond with 10 and 5 as parts.) Say the number sentence. S: 10 and 5 makes 15. T: Flip it. S: 5 and 10 makes 15. Continue with 10 and 1, 10 and 9, 10 and 4, 10 and 8, 10 and 2, 10 and 6, 10 and 3, 10 and 7. Problem (6 minutes) Peter drew a number bond of 13 as 10 and 3. Bill drew one, too, but he switched around the 10 and 3. Show Bill and Peter’s number bonds. Draw a picture of thirteen things as 10 ones and 3 ones. Explain your thinking to your partner about what you notice about the two number bonds. Note: The students have noticed that the parts of number bond can be switched around in Module 4. Make it exciting for them to find out that the same rules, or math truths, apply to bigger numbers, too! Development (26 minutes) Materials: (S) Per pair of students: a bag of Hide Zero cards (1 ten and numerals 1–9), 2 sets of 10 linking cubes with 10 in one color and 10 in another color, a bag of 5-group cards, and a personal white board for each student
gk-m5-b-lesson_8.docx