Help your Grade 4 students build confidence with addition and subtraction of whole numbers (up to 10 000) and decimals to tenths with this ready-to-use, engaging slideshow! This resource is designed to meet Ontario Math Curriculum Expectation B2.4: “Represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 10 000 and of decimal tenths, using appropriate tools and strategies, including algorithms.”The slideshow includes: ✅ Step-by-step te