Algebra – Equations and Inequalities (Gr1)
Skills:
- Variables – identify quantities that can change and quantities that always remain the same in real-life contexts (4:00)
- Equalities & Inequalities – determine whether given pairs of addition and subtraction expressions are equivalent or not (3:30)
- Equalities & Inequalities – identify and use equivalent relationships for whole numbers up to 50 using base-10 blocks and place value (1:40)
- Equalities & Inequalities – identify and use equivalent relationships for whole numbers up to 50 by subtracting multiples of 10 (2:10)