Base Ten Blocks (Model)
When referring to base ten blocks, these two symbols represent what?
Tens and ones
What is always the first step on the success criteria when adding on a number line?
Start at the greater number.
Which place value do you always start with when using the standard algorithm?
Ones place
Which strategy could I use to solve 5+5 = x?
What is the math term for the answer to an addition equation?
Sum
Use the number line tool to add 23 + 23.
46
Add 25 and 32 using the standard algorithm.
57
Which strategy could I use to solve 9+6 = x?
Make a Ten
Show how to add 25 + 12 using a number chart.
Use the number line tool to find 18 + 21.
39
88
Which strategy could I use to solve 3+4 = x?
Doubles + 1
What are the two numbers in an addition equation called?
Addends
Use the number line to tool to add 34 + 32.
66
Find the sum for 56 + 12 using the Standard Algorithm.
68
Which strategy could I use to solve 7+9 = x?
Doubles + 2
Make A Ten
Which direction do you move on a hundreds chart if you are adding ten(s)?
Down
If you were teaching someone else how to add on a number line, write down a list of steps for them to follow.
Success criteria
Add 91 + 8 using the standard algorithm.
99
What strategy could you use to calculate 20 + 21?
In 23 + 25 = x? What is the math term for "x" and what does it mean?
That is what you are solving for