Addition
25+54=?
79
67-15=?
52
What does estimate mean?
Estimate means your best guess! Closest to the answer!
on the line! not above and not below!
What is Mrs. Jorrins littlest cats name?
Penelope
73+18=?
91
28
What does sum mean?
the answer to an addition problem
If the arrow is pointing left am I adding or subtracting?
subtracting
What is Mrs. Jorrins biggest cats name?
Caper
True or False
45= 15+11+4
False
58-39=?
19
What does difference mean?
the answer to a subtraction question
If the arrow is pointing to the right are we adding or subtracting?
What is Mrs. Jorrin favorite color?
Purple
True or False
40= 25+5+20
True
There were 87 birds in the sky and 28 of them landed. How many are left?
59 birds
what is a number line?
a straight line with numbers marked at equal distances that helps you see how numbers relate to each other.
What does the arrow in the number line point to?
the answer!
What is Mrs. Jorrins favorite food?
Sushi
172+13=?
185
There were 56 cows in the field and 19 of them went to go eat grass. How many are left?
37 cows
What does decompose mean?
to break units down into smaller parts
Because otherwise we wouldn't know if we are adding or subtracting!
What is Mrs. Jorrins puppy name?
Benny Blanco