Place Value
1 ten is equal to _________ ones
10 ones
What are the three steps (RDW) of solving a word problem?
Read
Draw
Write
What is the answer to an addition problem called?
a SUM
2 tens + 4 tens
6 tens or 60
Rose has 174 crayons. She gives 25 of them away to Zoe. How many crayons does Sophie have left?
149 crayons
17 tens 5 ones is equal to what number?
175
Words like "how many more" or "difference" tell us to do what operation?
Subtraction!
What is the answer to a subtraction problem called?
a DIFFERENCE
8 tens + 15 ones
95
Antonio has 142 books. Lucas has 78 books. How many more books does Antonio have than Lucas?
64 books
23 tens 15 ones is equal to what number?
Words like "together," "altogether," and "in all" tell us to do what operation?
Addition!
18 + 18
36
114 birds were sitting in a tree. 21 more birds flew up to the tree. How many birds were there altogether in the tree?
135 birds were there altogether
400 + ______ + 5 = 485
80
Alex has 143 face masks to donate for the care packages. How many more masks do we need to have 200 face masks for the care packages?
We need 57 more face masks.
What are the three things you have in each subtraction and addition problem?
Two parts and a total
43 + 57
100
There were 167 kids on the 3 soccer fields. 58 kids decided to join in. Now how many kids are on the soccer fields?
225 kids are on the soccer fields
What is 5 hundreds + 13 tens + 28 ones?
658
Londyn has 38 more pieces of candy than Reed. Reed has 129 pieces of candy. How many pieces of candy does Charlotte have?
Londyn has 167 pieces of candy.
Who is the best math teacher ever?
Mrs. Edris
65 + 123
188
Second Grade earned 139 more pieces of candy than Third Grade. Third Grade earned 74 pieces of candy. How many pieces of candy did Second Grade earn?
Second Grade earned 213 pieces of candy!