Card 0 of 5
The swing set is inches tall and the tree is
inches tall. How much taller is the tree than the swing set?
This is a subtraction problem because we want to know how much taller the tree is compared to the swing set, or the difference in their height.
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When counting by s, what number comes after
When counting by s, we add
to our previous number.
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What is the equation that shows the sum of the squares represented by this rectangular array?
When we count the number of squares in this picture we get . We have
rows with
squares in each row. Our math equation for this picture could be written as
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The rectangular array shows .
What is another way to show
According to the commutative property, numbers can be multiplied in any order. This means that and
are equal.
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What is the missing number?
___________,
In this series we are counting by . When counting by
,
is between
and
.
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