Place Value
1 ten is equal to _________ ones
10 ones
Jacqueline checks out 13 books from the library. She reads 8 of them.
How many does she have left to read?
5 books
What is the answer to an addition problem called?
a SUM
2 tens + 4 tens
6 tens or 60
Are these related facts?
3+6=9
9-5=4
no
7 tens + 5 ones is equal to what number?
75
Words like "how many more", "difference", and "how many are left?" tell us to do what operation?
Subtraction!
What is the answer to a subtraction problem called?
a DIFFERENCE
16+8+3=
27
Savannah has 19 ribbons. 9 of them are green. How many are red?
10 are red
9 tens 5 ones is equal to what number?
95
Words like "together," "altogether," and "in all" tell us to do what operation?
Addition!
What type of addition do we call this equation?
3+3+3+3+3=15
repeated addition
18 + 18
36
Fact- 6+7=13
Is 7+6 a doubles fact for this equation?
NO!
400 + ______ + 5 = 485
80
Max has 8 face masks to donate. How many more masks does he need to have 20 face masks?
12 more face masks.
What are the three things you have in each subtraction and addition problem?
a part, a part, and a whole
What doubles fact would help you solve 8 +7?
8+8 or 7+7
FACT- 9+8=
What is a doubles fact for this equation?
Is your doubles fact 1 more or 1 less?
17
8+8/ 1 less or 9+9/ 1 more
What is 500+ 2 tens + 3
523
Aiden has 38 more pieces of candy than Nate. Nate has 7 pieces of candy. How many pieces of candy does Aiden have?
Aiden has 45 pieces of candy.
What classroom has the best math students ever?
Room 42! or Mrs. Lafferty's class!
Give the next fact in the pattern:
13-6=
14-6=
15-6=
? - ? = ___
16-6
Neli puts M & Ms in 6 rows. In each row she puts 6
M & Ms. How many does she have in all?
36 M and Ms