Now your students have another memory trick to help them through their seven times tables. The solution for seven times eight is like counting upwards: 5-6-7-8 7 × 8 = 56 Here is a handy trick for seven times eight. Multiplying an odd number by five will give a solution that ends in five - 35īut what about remembering later multiples of seven?.Multiplying seven by four is like doubling it twice - 28.

Three times seven results in a number that ends in a one - 21.Multiplying seven by two is the same as doubling seven - 14.We can use our previous tips to figure out the first few multiples of seven:

Unfortunately, this trick only works for even numbers, and not for odd numbers. When multiplying an even number by six, the solution always ends with the last digit of the number that’s being multiplied. Odd numbers multiplied by five are going to end with a five, while even numbers multiplied by five will end with a zero. Teach students that the five times table always follows the pattern of ending with: 5, 0, 5, 0, 5, 0. Tips for the 5 times tableįive is one of the easiest multiplication tables to master. It’s not the most clever trick, but it works! 8 × 4 becomes 8 + 8 = 16 → 16 +16 = 32. When a number is multiplied by four, double it and then double it again. Teach your students the pattern of the three multiplication table as if it were a phone number, (369) 258-1470.

For example, numbers that end with a nine that are then multiplied by three are going to then become a number that ends with a seven. If students can remember this order they will at least know what the last digit of any multiplication of three is. The last digits in both groups are the same: 3, 6, 9, 2, 5, 8, 1, 4, 7, 0. The last digit of these multiples always repeat, which means that students can remember these digits to help them with the three multiplication tables. Three doesn’t have any rules that make its multiplication table easy to memorize, but there is a pattern for every ten multiples of three: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

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