Multiplication looks at equally sized groups. Doubling means multiplying equally sized groups by 2. Can you solve this problem?
Multiplying by two is the same as doubling and can be thought of as the total of two equally sized groups.
4 groups is twice (two times) as many as 2 groups. Let's look at how to multiply numbers by 4.
Find the product of 4\times 4.
To solve questions with 4 times tables, you can use the Double, Double strategy. That means you double the number, then double the answer.
uses mental and informal written strategies for multiplication and division