Lesson 15: Let’s investigate using addition and subtraction with decimals

Students will investigate change using addition and subtraction with decimals. They will investigate which items each shopper could have purchased based on clues.
Lesson 14: Let’s subtract decimals using column subtraction

Students will gain a conceptual understanding of how decimals are regrouped using column method to subtract. They will use this knowledge to subtract using digits while making purchases in order to create a home aquarium.
Lesson 13: Let’s use column method to subtract multi-digit numbers

In this lesson, students will gain a strong conceptual understanding of how regrouping is used in column method subtraction. They will use their knowledge to calculate credit card debt.
Lesson 12: Let’s use REPS to apply problem-solving skills

Students will use REPS to answer critical-thinking questions about earning pocket money.
Lesson 11: Let’s use column method to investigate adding decimals

Students will use their critical-thinking skills and column method to solve the ‘funky float’ challenges.
Lesson 10: Let’s explore adding decimals

Students will explore the connection between ones, tenths and hundredths. They will use this knowledge to gain a conceptual understanding of adding decimals with regrouping using column method. Students will practice by playing a game called In The Money.
Lesson 9: Let’s add multi-digit numbers using column addition

Students will revise and apply column method addition with multi-digit numbers. They will use their knowledge to play a game called Race to the Top.
Lesson 8: Let’s apply subtraction strategies in a game

Students will apply their subtraction strategy skills to play a game called Zero’s Hero.
Lesson 7: Let’s explore subtraction compensation strategy

Students will use their compensation knowledge and apply it to subtraction. They will use their compensation skills to interpret biologists’ observations.
Lesson 6: Let’s use bump strategy subtraction

Students will use bump strategy to subtract while solving subtraction maze puzzles.