Adding and subtracting
What is addition?
Learn how to add two one-digit numbers together.
First, then, now (addition)
Learn how to use first, then and now stories to understand addition.
What is subtraction?
Find out how to subtract a one-digit number from another.
First, then, now (subtraction)
Learn how to use first, then and now stories to understand subtraction problems.
One more and one less to 100
Find out how to add one or subtract one from numbers to 100
What are number bonds?
Learn about the number bonds of 10 and 20.
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