Work out the answer when you multiply first and then add
Home / 2nd grade / Multiplication / Number machine / Multiply then add
A number machine is a way of doing 2 or more different sums on a single input. In this topic you will be multiplying a given number by another number first, then taking the answer from that and adding some other number to it. This is called a 2 step calculation. In the first question you are asked to take 2, multiply it by 2, then add 4 to the answer. In the second question you are asked to take 4, multiply it by 5, then add 3 to the answer.
Start with 4, multiply by 5 then add 3
4 x 5 = 20
20 + 3 = 23
So 4 x 5 + 3 = 23
Start with 6, multiply by 5 then add 11
Start with 6
Multiply by 5 : 6 x 5 = 30
Add 11 : 30 + 11 = 41
So 6 x 5 + 11 = 41
Below is a table showing the first 6 question answer pairs for the topic "Multiply then add" as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 15 additional question answer pairs.
The topic "Multiply then add" is in the category Multiplication for 2nd grade (ages 7 to 8).
Home / 2nd grade / Multiplication / Number machine / Multiply then add
Each of our math topics for elementary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.
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