Multiplying by 4 means adding a number to itself three more times, or making four equal groups of that number. It is a shortcut for repeated addition.
Think of multiplying by 4 as doubling a number twice. First, double the number, then double the answer.
The product is the answer you get when you multiply numbers together. To find the product of 4 and another number, you can use patterns and strategies.
Products for multiplying by 4 are always even numbers because you are adding even groups together.
Memorizing the basic facts for multiplying by 4 helps you solve problems quickly and accurately up to 4 × 12.
Look for patterns in the ones digits: 4, 8, 2, 6, 0. This pattern repeats and can help you check your answers.
Once you know the facts, you can use them to solve word problems and more complex equations.
Always identify the number of groups (cars, boxes, weeks) and the number in each group (4) to set up your multiplication equation correctly.