Addition Words
True or False: Sum is the answer to an addition word problem.
True
True or False: Difference is the answer to a subtraction problem.
True
What do you do for S in SOLVE?
Underline the question
The problem is asking me to find....
Dan has 5 cups of coffee. Jay has 6 cups of coffee. Cam has 4 cups of coffee. How many cups of coffee do they have altogether?
Addition, because they use the word altogether and there are no other clue words to tell us to do something different.
Dan has 5 cups of coffee. Jay has 6 cups of coffee. Cam has 4 cups of coffee. How many cups of coffee do they have altogether?
How many numbers do we have to add?
3 numbers. 5 + 6 + 4 or 5 + 6 = 10 + 4
Which addition clue words were used in this word problem?
Tim bought 10 bottles of soda. Sue bought 6 bottles of soda. How many bottles did they have in all?
In all
What 2 clue word tells you this is subtraction?
The temperature started at 70 degrees F. It dropped 10 degrees at noon. It fell another 15 degrees by night time. What was the temperature at the end of the day?
Dropped and fell
What do you do for O in SOLVE?
Organize the facts
Eliminate all unnecessary facts.
List only the necessary facts
12 birds were in the yard. 4 birds flew away. 3 more birds flew away. How many birds are left in the yard?
Subtraction, because they use the words flew away twice and the clue word "left."
12 birds were in the yard. 4 birds flew away. 3 more birds flew away. How many birds are left in the yard?
How many numbers do you subtract?
3 numbers. 12-4-3 or 12-4=8-3
Which addition clue word was used in this problem?
Mary has 6 cats. Her friend has 4 cats. How many cats do they have altogether?
Altogether
Which subtraction clue word was used in this problem?
Dan has 20 boxes of cookies. Sarah has 12 boxes of cookies. What is the difference between the number of boxes?
Difference
What is the 3rd step in SOLVE? What do you do?
Line up a plan with action
Choose an operation or operations
There were 100 pieces of cheese in front of me. I ate 20 pieces of cheese. They added another 30 pieces of cheese to the plate. How many pieces of cheese are on the plate now?
Addition and subtraction, because they use the word ate and added.
There were 100 pieces of cheese in front of me. I ate 20 pieces of cheese. They added another 30 pieces of cheese to the plate. How many pieces of cheese are on the plate now?
How many operations do you have to do?
2 operations, Subtract then add
Which words out of this group are addition clue words:
Decrease, difference, add, altogether, combined, take away, still, sum
Add, Altogether, Combined, Sum
Which words out of this group are subtraction clue words:
Together, total, still, subtract, plus, sum, minus, remain
Still, subtract, minus, remain
Is this a correct way to do the L step?
18 + 21 = 39
No, have to write down what operation to use without numbers
Mom brought me 20 cups of water. I spilled 8 cups of water. Mom brought me another 4 cups of water. I spilled two more cups of water. How many cups of water do I have now?
Subtraction and addition, because the words "spilled" and "brought" were used in the problem.
Mom brought me 20 cups of water. I spilled 8 cups of water. Mom brought me another 4 cups of water. I spilled two more cups of water. How many cups of water do I have now?
How many operations do you have to do to solve this problem?
2 operations. Have to subtract then add
Which word means addition?
Increased or Decreased?
Increased
Which word means subtraction?
Altogether or Left Over
Left Over
Name all the steps to solving a word problem.
1-S: Study the problem
2-O: Organize the facts
3-L: Line up a plan
4-V: Verify plan with action
5-E: Examine your answer
We had 25 math problems to complete. The class answered 10 of the math problems. The teacher then added another 15 problems to the group. How many problems to have to answer now?
Subtraction and addition
We had 25 math problems to complete. The class answered 10 of the math problems. The teacher then added another 15 problems to the group. How many problems to have to answer now?
SOLVE this problem. Find the answer
25-10 = 15
15 + 15 = 30
They have to answer 30 problems now.