Equal numbers Whiteboard exercise Play

Equal numbers – wrong steps in proof Whiteboard exercise Play

Equally accurate rounding Student activity Play

Explain and justify Class activity Play

Explain and justify Whiteboard presentation Play

Factors of numbers Whiteboard exercise Play

Facts and assumptions – prime numbers Whiteboard exercise Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play

Fermat numbers Whiteboard exercise Play

Field size and the numbers of partridges Animation Play

Finding numbers Animation Play

Finding the missing numbers Whiteboard exercise Play

Finding the missing numbers in the divisions Whiteboard exercise Play

Finding the numbers in the given ratio Whiteboard exercise Play

Finding the numbers in the given ratio Student activity Play

Finding the numbers that satisfy the inequalities Whiteboard exercise Play

Finding the prime numbers decomposition Whiteboard exercise Play

Five missing numbers Whiteboard exercise Play

Fractional exponents – numbers different from the other numbers Whiteboard exercise Play

Fractions, ordering fractions Class activity Play

Fractions, ordering fractions Whiteboard presentation Play

Guessing the numbers Whiteboard exercise Play

Haploid and diploid numbers of chromosomes Student activity Play

hcf and lcm for more than two numbers Whiteboard exercise Play

HCF and LCM for more than two numbers Student activity Play