Learn to add mentally two one–digit numbers with sums up to 18 using appropriate mental techniques.
Learn to think the partner of number to get the sum of 10.
Learn to add using doubles in counting.
Learn to add using grouping by tens.
Course Content
1 sections • 2 lectures • 00h 09m total length
Addition of Two One-digit Numbers Using Mental Techniques
Mental addition means to add numbers in your head without writing down any steps or notes as part of the calculation. All of the calculations are done in your head.
There are various strategies for mental addition, however, with each method, it is important to hold values in your head. The fewer the steps, the better the methods as it is easier to hold the numbers in your head.
Pupils will start learning how to add numbers in their primary school. They'll practice applying their increasing knowledge of mental methods to solve addition problems. They'll continue to expand their knowledge by learning about more mental addition methods.
9.45min
Addition of Two One-digit Numbers Using Mental Technique
Mental addition means to add numbers in your head without writing down any steps or notes as part of the calculation. All of the calculations are done in your head.
There are various strategies for mental addition, however, with each method, it is important to hold values in your head. The fewer the steps, the better the methods as it is easier to hold the numbers in your head.
Pupils will start learning how to add numbers in their primary school. They'll practice applying their increasing knowledge of mental methods to solve addition problems. They'll continue to expand their knowledge by learning about more mental addition methods.
mb
Requirements
Paper and pen, prior knowledge in basic addition, laptop/computer
Description
Mental addition means to add numbers in your head without writing down any steps or notes as part of the calculation. All of the calculations are done in your head.
There are various strategies for mental addition, however, with each method, it is important to hold values in your head. The fewer the steps, the better the methods as it is easier to hold the numbers in your head.
Pupils will start learning how to add numbers in their primary school. They'll practice applying their increasing knowledge of mental methods to solve addition problems. They'll continue to expand their knowledge by learning about more mental addition methods.