There are also a number
of flashcards that you can print out and use to help your child practice
with and recall basic addition facts. The online
flashcards randomly
present addition questions that your child can click through for additional
math practice.
Click the above links or select from the menu on the left side to
review and use these resources.
Addition with Regrouping
Work with your child to help him or her understand
the concept of regrouping when adding numbers. The illustrated example
below can be used to help explain this. Also, activities with money,
such as adding cents and then exchanging groups of ten for dimes will
also help master the concept of regrouping.
We use the base ten number system to write numbers with each place
having a value; ones, tens, hundreds, thousands, and so on.
When we add numbers we often have to combine these
groups if we end up with more than 9 in any one group. Below is an
example of addition with regrouping.
Adding with regrouping
Start by adding the ones. We have 12
ones but only one place!
We must regroup our 12 ones to give
1 ten and 2 ones
Now we can put the 1 ten with the tens
and write 2 in the ones place
Finish by adding the tens including
the 1 ten that was regrouped
2 + 3 + 1 = 6
Follow the instructions below to enter your own numbers to add and
watch the steps required to complete the calculation.
A good resource for helping with addition
The University of Utah has developed some very
good virtual manipulatives including
these Base
Addition Blocks that
you can use to help your child develop an understanding of whole
number addition with the base-ten number system. Read the instructions
well to ensure you get full benefit from these excellent resources.
Watch
an animated example