vocab
A ________ is a symbol between 0-9 to write numbers.
digit
The number 54 has 4 _____
ones
Whats 21+7=
28
What is the first step to solving a problem?
Write an equation!
This is an
<------------------------------->
Open number line
The number 38 has a 3 in the
tens place
24 + 10=
34
When adding on an open number line what number should go first?
16 + 42
42
You can _____ 10 ones a 1 ten
regroup
the number 72 has a 7 in the
tens place
What will happen when we add these two numbers:
19 + 4
It will make a ten!
Add 37 + 20 on an open number line.
57
What is the value of each digit in this number 68.
6 tens and 8 ones
How can you add tens on a 100 chart
count down!
What is 43+ 8=
51
When adding two digit numbers you can use these tools:
100 chart, place value chart, open number line.
A number with a ten in the tens place and ones in the ones place is called a:
2 digit number
What comes next
34,44,___
54
What is 65 + 28=
93
Add 53 + 14 on an open number line
67