Math Addition and Subtraction Practice for Number Bonds to 20

Dive into a comprehensive lesson plan focusing on addition and subtraction within number bonds to 20. Explore fluency exercises, reasoning tasks, and problem-solving challenges using counters to strengthen mathematical skills. Engage with interactive activities to master fundamental concepts in a fun and educational way.

• Math practice
• Addition
• Subtraction
• Number bonds
• Learning

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Uploaded on Jul 14, 2024 | 0 Views

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1. Addition & Subtraction Add by counting on Number bonds to 20 Block 1 Week 1

2. Lesson 3 Step: Number bonds to 20 (1)

3. Fluency There are _____ black counters. 8 There are _____ red counters. 12 20 Altogether there are _____ counters. 8 12 20 12 8 20 _____ + _____ = _____ _____ + _____ = _____

4. Fluency There are _____ black counters. 4 There are _____ red counters. 16 20 Altogether there are _____ counters. 4 16 20 16 4 20 _____ + _____ = _____ _____ + _____ = _____

5. Fluency There are _____ black counters. 11 There are _____ red counters. 9 20 Altogether there are _____ counters. 11 9 20 9 11 20 _____ + _____ = _____ _____ + _____ = _____

6. Fluency There are _____ black counters. 18 There are _____ red counters. 2 20 Altogether there are _____ counters. 18 2 20 2 18 20 _____ + _____ = _____ _____ + _____ = _____

7. Reasoning There are 9 black counters. There are 5 red counters. Altogether there are 15 counters. True or false? Explain how you know. False. There are 9 black counters and 6 red counters (not 5).

8. Problem solving There are 4 more red counters than black counters. The total is 20. How many of each colour counter are there? Show this on ten frames and as number sentences. 8 + 12 = 20 12 + 8 = 20