Decimal Fractions – Decimals Card Games

Grades 3 and up Decimal Fractions to Decimals Decimals are a challenging concept and many students find it confusing. The key is to provide a lot of visuals and make sure students understand fractions. Decimals include a decimal point to represent a whole number plus a fraction of a whole number (tenths, hundredths, …

Starting with multiplication- Arrays activities

Arrays are a great way to introduce multiplication in grade 2 and 3. Playing with arrays will help students model multiplication as repeated addition and understand the properties of multiplication. It is very important that we help students visualize and understand multiplication early on so that we build a strong …

Factorial!

In how many different orders can the 3 Binions sit in their spaceship? If the blue Binion sits in the first seat then there are two ways for the three Binions to sit. If the purple Binion sits on the first seat there are two ways for the three Binions …

Divisibility Rules

Divisibility Rules help us figure out if a number is divisible by 2, 3, 4, 5, 9, 10, 25 and 100. They help us perform a divisibility test easily and quickly. They also help us with factorization. If a number is divisible by, for example, 3 then this number is …

Prime Factorization

Prime Factorization is the method of finding which set of prime numbers multiply together to make a number. In a previous post, we talked about factorization, which is a method of finding the factors of a number but not necessarily the prime factors. What is different with prime factorization is that we …

Teaching Binary Numbers

The connection of binary number system to computers makes it a very interesting concept for students. The binary number system helps to store information of all kinds on computers. Computers use binary digits (or bits) because they can only read and store an on or off charge. So, using 0 …