Remembering how we can solve can help us with our other addition strategies. Let's try now.
Use the number line to help you find the value of 43 + 12.
Let's see how to change an addition problem using the bridge to ten strategy.
How many more do we need to add to 9 to get to 10?
The next video shows us how to use the compensation strategy to add more easily.
If 7 + 10 = 17, what is the answer to 7 + 11?
uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers