Lesson 11: Solving word problems
Students will use their addition and subtraction skills and REPS strategy to solve word problems.
Lesson 10: Applying column method to subtract 3-digit numbers
Students will apply column method to subtract up to 3-digit numbers. They will utilise their skills to play a subtraction Bingo game.
Lesson 9: Using column method to subtract 3-digit numbers
Students will explore how to use column method to subtract. They will gain a conceptual understanding on how to regroup from larger place values through concrete and pictorial examples. They will use their knowledge to find the amount of treasure each pirate ship has lost.
Lesson 8: Applying split/jump strategy to calculate change
Students will apply jump strategy and split strategy to help customers calculate change at a yard sale.
Lesson 7: Using jump and split strategy to subtract 2-digit numbers
Students will be asked to investigate how they could use their knowledge of jump and split strategy and apply it to subtraction. They will then have the opportunity to refine and apply this strategy with a problem-solving activity that involves finding the missing amounts from each animal’s story.
Lesson 6: Exploring related facts
Students will delve into the relationship between addition and subtraction through inverse operations and related facts, highlighting how addition can be effectively used to solve subtraction problems. They will build fact family houses using picture prompts.
Lesson 5: Using patterns to subtract
This lesson will explore the relationships between numbers and how understanding these patterns can empower students to subtract with greater efficiency. They will partake in a make-believe market to practice their skills.
Lesson 4: Bridging down to the next ten
This lesson reviews the “bridging to the next 10” strategy for addition and introduces its application in subtraction. Students will learn how to use this strategy to make subtraction more efficient and develop a deeper understanding of number relationships. The will use a game, called Risk It For The Biscuit, to consolidate their learning.
Lesson 3: Use counting on to subtract
Students will use the counting on strategy to approach subtraction, where they start from the smaller number and count on to reach the larger number. This method helps students to build a deeper understanding of subtraction and develop stronger number sense. Students will play Strategic Subtraction, a fun card flipping game.
Lesson 2: Adding and subtracting 1, 10 and 100
Students will explore how to add and subtract 1, 10 and 100 using place value knowledge and number patterns. They will develop a strong understanding of how each digit changes, building fluency and number sense.