Family Letter - Starting Unit 8
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1
2Dear Family,
My class is starting Unit 8. I will be learning about adding and
subtracting two-digit numbers. These two pages show what
I will learn and have activities for us to do together.
From, ________________________
These are some words I will use in this unit.
double
A basic fact that adds the same two
tens
In the number 80, there
numbers, like 3 + 3 = 6, 5 + 5 = 10,
are 8 tens.
and 8 + 8 = 16
difference
The answer to a subtraction problem
In the problem 60 – 20 = 40, 40 is
the difference.
Let’s work together to complete these sentences.
1.
4 + 4 = 8
A fact like
is a
fact.
2.
50
30
20
If you have
tomatoes and you sell
, then
are left.
20
The number
is called the
.
Unit 8
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