Maths Addition and Subtraction Lesson with Fluency, Reasoning, and Problem Solving Activities
Engage in a comprehensive maths lesson focusing on addition and subtraction by making ten, avoiding crossing ten. The lesson includes fluency exercises using counters, reasoning tasks based on calculations, and problem-solving scenarios. Dive into various mathematical situations to enhance your skills in a fun and interactive way.
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Presentation Transcript
Addition & Subtraction Add by making 10 Subtraction Not crossing 10 Block 1 Week 2
Lesson 3 Step: Subtraction (not crossing 10)
Fluency First there were 14 counters. Then 2 were taken away. How many now? FIRST THEN NOW 2 12 14 - =
Fluency First there were 16 counters. Then 3 were taken away. How many now? FIRST THEN NOW 3 13 16 - =
Fluency First there were 17 counters. Then 6 were taken away. How many now? FIRST THEN NOW 6 11 17 - =
Fluency First there were 18 counters. Then 5 were taken away. How many now? FIRST THEN NOW 5 13 18 - =
Fluency First there were 19 counters. Then 7 were taken away. How many now? FIRST THEN NOW 7 12 19 - =
Fluency First there were 20 counters. Then 7 were taken away. How many now? FIRST THEN NOW 7 13 20 - =
Reasoning Which calculation represents the table below? A) 18 6 = 12 FIRST THEN NOW B) 18 5 = 13 C) 18 7 = 11 Can you write a story to represent this?
Problem solving Kat s answer in the NOW box is between 10 and 12. What is her calculation? FIRST THEN NOW Kat s calculation is 17 6 = 11.
