Counting problems Class activity Play

Counting problems Whiteboard presentation Play

Creating the sequence from the blocks Animation Play

Cross-multiplication Student activity Play

Cross-multiplication Whiteboard exercise Play

Deductions for algebraic transformations Whiteboard exercise Play

Deductions for algebraic transformations Student activity Play

Delicious meringues Whiteboard exercise Play

Difference of squares Student activity Play

Different questions about the same operation. How much more? How much less? Student activity Play

Differentiation rules (2) Whiteboard presentation Play

Differentiation rules (2) Class activity Play

Distribution of multiplication over addition Whiteboard exercise Play

Distribution of scalar multiplication over scalar addition Game Play

Distribution of scalar multiplication over vector addition Animation Play

Distributive property Student activity Play

Distributive property Whiteboard exercise Play

Dividing a sum by a monomial Animation Play

Dividing powers of 10 Student activity Play

Divisibility by 8 Whiteboard exercise Play

Divisibility by 8 Student activity Play

Division of rational numbers Student activity Play

Do you remember the multiplication table? Whiteboard exercise Play

Do you remember the multiplication table? Student activity Play

Equation in the form of a proportion Animation Play