8. Addition 2


Adding on to Nine We know it is easy to add on to ten. 10 + 3 = 13


Here is a little tip to help you add on to nine. Nine wants to be 10, so it takes one from the next number.


+ = 9+ 5 10 + 4 = Now try these. Use your ten boards to help you.


1. 9 + 3 = 10 + ____


2. 9 + 7 = 10 + ____


14


3. 9 + 5 = 10 + ____


4. 9 + 8 = 10 + ____


5. 9 + 2 = 10 + ____


6. 9 + 6 = 10 + ____


Strand: Number 32


Curriculum Objectives: Add numbers without renaming within 99; develop an understanding of addition by combining or partitioning sets;


develop and recall mental strategies for addition facts within 20; construct number sentences and number stories; solve problems involving addition within 99.


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