Number Bonds to 10

Number bonds to 10 are the most important arithmetic facts. Fluency with these pairs unlocks efficient mental computation strategies.

• Framework: Montessori
• Unit: Mathematics
• Learning area: Number Concepts
• Level: Ages 4-6

Objectives

• Learn all pairs that sum to 10
• Build mental math foundation
• Develop number sense
• Prepare for advanced computation

Materials

• Ten-frame
• Two-color counters
• Number bond cards
• Bead stair
• Recording sheet

Instructions

1. Place 10 counters on ten-frame. 2. Flip some to show two colors: 7 red, 3 blue. 3. '7 and 3 make 10.' 4. Record: 7+3=10. 5. Try different combinations. 6. Discover all pairs: 1+9, 2+8, 3+7, 4+6, 5+5. 7. Practice with bead stair. 8. Play 'What's missing?' game: show 6, 'How many more to make 10?'

Educator tip

These facts deserve extensive practice. Games, songs, and daily practice build automaticity. The ten-frame is a powerful visual.

Assessment

Child recalls all number bonds to 10 automatically.

More from Mathematics

• Multiplication Bead Board
• Fraction Skittles: Introduction to Fractions
• Stamp Game: Addition with Exchanging
• Clock: Telling Time to the Hour and Half Hour
• Subtraction Strip Board
• Greater Than, Less Than, Equal To
• Division with Golden Beads: Sharing Equally
• Measurement: Non-Standard Units