FACTORS AND MULTIPLES GAMES

 The questions in this game focus on important concepts such as factors, multiples, prime factorization, HCF, and LCM. Important facts you should know that will help with this game.

A number is divisible by its factors A number is divisible by 2 if the last digit is even. A number is divisible by 5 if its last digit is 0 or 5. A number is divisible by 3 if the sum of all of its digits is multiple of  3. A prime number has only two factors: 1 and itself. Every composite number can be expressed as a product of prime factors.

Remember:

And here, a test on factors and multiples. Good luck!

Exercises. Divisibility by 2, 3, 5 6, 9 and 10

This website is very useful to revise the concepts.

Prime and composite numbers

Divisibility problems

Another game with Hypatia and Pythagoras about multiples and factors.

CONSTRUCCIÓN DE POLIEDROS TIRANDO DE UN HILO

En este blog, se puede descargar la plantilla para construir los 5 poliedros regulares. Basta con recortar por las líneas continuas, doblar por las discontinuas, perforar los círculos e introducir el hilo siguiendo el orden de las letras. Se debe pegar en la superficie por la cara que se indica.

INTEGER NUMBERS

How do you add integer numbers using a number line? Watch this video
Integer practice for one or two players

Integer word problems

NATURAL NUMBERS

Exercise on numbers	Natural numbers 1-1000
Ordinal numbers in Spanish	Ordinal numbers exercises
Brackets	Dates in English
Matching ordinal and cardinal numbers