WRDSB Math LRP - G3 Addition & Subtraction

Grade 3 - Tier 1

⭐️ Essential Key Concept ⭐️

B2.3 use mental math strategies, including estimation, to add and subtract whole numbers that add up to no more than 1000, and explain the strategies used
B2.4 demonstrate an understanding of algorithms for adding and subtracting whole numbers by making connections to and describing the way other tools and strategies are used to add and subtract
B2.5 represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 1000, using various tools and algorithms

⭐ Connections to Other Essential Key Concepts ⭐

B1.1 read, represent, compose, and decompose whole numbers up to and including 1000, using a variety of tools and strategies, and describe various ways they are used in everyday life describe various ways they are used in everyday life
B1.2 compare and order whole numbers up to and including 1000, in various contexts
B1.3 round whole numbers to the nearest ten or hundred, in various contexts
B1.4 count to 1000, including by 50s, 100s, and 200s, using a variety of tools and strategies
B1.5 use place value when describing and representing multi-digit numbers in a variety of ways, including with base ten materials

C2.1 describe how variables are used, and use them in various contexts as appropriate
C2.2 determine whether given sets of addition, subtraction, multiplication, and division expressions are equivalent or not
C2.3 identify and use equivalent relationships for whole numbers up to 1000, in various contexts

F1.1 estimate and calculate the change required for various simple cash transactions involving whole-dollar amounts and amounts of less than one dollar

⛭ Related Mathematical Processes

Problem Solving, Representing, Selecting Tools and Strategies, Reflecting

Organize your observations of student learning related to the key concepts and skills for this topic:

Explore a menu of possible MathUP lessons, Building Fluency lessons, problems, explorations and games.

During this topic, pay attention to the students' ability to maintain positive motivation and perseverance.

Do students have strategies when they are stuck? (e.g. attempt or test out different approaches, use resources in the room, ask for help from a friend)
Are students open to learning from mistakes?
Do students recognize what is working well for them, and what might need to be changed?

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