Grade 1 Mathematics Weeks 31–32: Student Textbook
Ten instructional days. Work with counters, tens blocks, equal-size measuring cubes, clocks, and diagrams. Explain answers aloud.
Week 31: Organize and interpret data
Day 151: Explore
Lesson: Organize and interpret data. Compare category counts.
Worked example to discuss: A graph shows 12 birds and 8 butterflies. How many more birds? Answer: 4.
Try: A graph shows 13 birds and 9 butterflies. How many more birds? Explain how you know.
Day 152: Model
Lesson: Organize and interpret data. Compare category counts.
Worked example to discuss: A graph shows 13 birds and 9 butterflies. How many more birds? Answer: 4.
Try: A graph shows 14 birds and 10 butterflies. How many more birds? Explain how you know.
Day 153: Explain
Lesson: Organize and interpret data. Compare category counts.
Worked example to discuss: A graph shows 14 birds and 10 butterflies. How many more birds? Answer: 4.
Try: A graph shows 15 birds and 8 butterflies. How many more birds? Explain how you know.
Day 154: Apply
Lesson: Organize and interpret data. Compare category counts.
Worked example to discuss: A graph shows 15 birds and 8 butterflies. How many more birds? Answer: 7.
Try: A graph shows 12 birds and 9 butterflies. How many more birds? Explain how you know.
Day 155: Check
Lesson: Organize and interpret data. Compare category counts.
Worked example to discuss: A graph shows 12 birds and 9 butterflies. How many more birds? Answer: 3.
Try: A graph shows 13 birds and 10 butterflies. How many more birds? Explain how you know.
Week 32: Geometry and equal shares
Day 156: Explore
Lesson: Geometry and equal shares. Draw and count corners.
Worked example to discuss: How many corners does a rectangle have? Answer: 4.
Try: If a shape is divided into four equal parts, what is each part called? Explain how you know.
Day 157: Model
Lesson: Geometry and equal shares. Equal parts have equal area.
Worked example to discuss: If a shape is divided into four equal parts, what is each part called? Answer: one fourth.
Try: How many corners does a rectangle have? Explain how you know.
Day 158: Explain
Lesson: Geometry and equal shares. Draw and count corners.
Worked example to discuss: How many corners does a rectangle have? Answer: 4.
Try: If a shape is divided into four equal parts, what is each part called? Explain how you know.
Day 159: Apply
Lesson: Geometry and equal shares. Equal parts have equal area.
Worked example to discuss: If a shape is divided into four equal parts, what is each part called? Answer: one fourth.
Try: How many corners does a rectangle have? Explain how you know.
Day 160: Check
Lesson: Geometry and equal shares. Draw and count corners.
Worked example to discuss: How many corners does a rectangle have? Answer: 4.
Try: If a shape is divided into four equal parts, what is each part called? Explain how you know.