Add or Subtract 10 or 100 Bundle with Games

Subject: Math, Numbers and Operations in Base Ten

Type: Lesson Plan Bundle

Skills:

• Work in collaborative groups to practice using the "language" of math for adding and subtracting numbers 10
• Locate patterns on a number grid and discuss how place value can help find 10 and 100 more or 10 or 100 less than a number without counting
• Explain their reasoning on how they find 10 or 100 more or 10 or 100 less than a number
• Solve equations adding 10 or 100 and subtracting 10 or 100 using mental math
• Play 3 different games: "Spin, Add, or Subtract," "What's My Number?," and "Flip and Solve" to practice solving equations adding 10 or 100 and subtracting 10 or 100 using mental math

Materials Needed:

• Pencils
• Small sticky notes or counting chips to cover up numbers on number grid
• Student whiteboards, dry erase markers, erasers (1 per student)
• Deck of cards (number cards only-remove face cards) (1 per small group of students)
• Brads and paperclips to make spinners
• Document camera or whiteboard

Printable Resources:

• “Number Grid 101-200” (1 copy per student) (1 for display)
• “Mental Math” (1 copy per student) (1 for display)
• “Spin, Add or Subtract” (1 copy per pair of student)
• “What’s My Number?” (1 copy per pair of students)
• “Flip and Solve” (1 copy per pair of students)
•  “Exit Slips” (as an optional assessment component) (1 copy per student)

CCSS: 2.NBT.1, 2.NBT.8

File Type: PDF Document