Math Detectives. Starring: Fourth Grade Students The Suspects: The Notorious Word Problems. The crime is. The “crimes” we will be solving are math crimes. We will be looking at word problems!. How do we solve the crime?. Read the entire word problem.
At a recent park clean-up, Jack picked up 30 pieces of trash. Emily picked up 25 and Annie picked up the most of all, 40! How many pieces of trash did the girls pick up all together?
Hint: Read the problem carefully!
Sometimes, word problems give you extra information!
25 + 40 =
25 + 40= 65 pieces of
trash picked up
You have your answer. As a detective you must explain how you got it!
Use Math Detective words to explain (using sentences) what you did to find your answer.
Use the Detective Word list.
I added I used objects I guessed and checked
I subtracted I drew a picture I used logical reasoning
I multiplied I looked for a pattern I made an organized list
I divided I made a table I solved a simpler problem
I worked backwards
to find to see to figure out because
to get to show to determine since
therefore my answer is... so my answer is