|
Strategy:
is a plan that may be used to solve a problem and the
ability to think problems through.
|
Strategy: Choose
the Operation |
| Number
Sentence |
Definition |
|
|
Join
sets or quantities. |
|
|
Separate,
or take away, from a set.
Compare two sets or quantities.
Find part of a set.
Find how many more are needed. |
|
|
Join
only equal sets or quantities. |
|
|
Separate
a set into equal groups.
Share a set equally. |
| Example:
Alex works at a gift shop. She
sold 5 small, 4 medium, and 3 large shirts. How many shirts did
she sell in all? |
Choose
the operation;
5 + 4 + 3 = 12 ; 12 shirts
|
|
Strategy: Guess
and Test |
 Problem:
Frank's bank holds
dimes and quarters. There are 4 more dimes than quarters in the
bank. The value of all the coins is $2.85. How many quarters are
in Frank's bank? |
| Quarter
Value |
Dime
Value |
Total
Value |
Test |
| 6
quarters = $1.50 |
8
dimes = $0.80 |
$1.50
+ $0.80 = $2.30 |
too
low |
| 7
quarters = $1.75 |
11
dimes = $1.10 |
$1.75
+ $1.10 = $2.85 |
correct |
Using
these 5 steps will help you solve daily problems.
Problem
Solving
 |
Image:
create a mental
picture. |
| Name:
list the facts and the
questions. |
| Think:
choose and outline a plan. |
| Compute:
work the plan. |
| Check:
test that the solution
is reasonable. |
Sometimes a
problem will require you to add, subtract,
multiply, or divide.
Two-step
problems require more than one choice of operation or
strategy. |
Let's
Practice!
click
here
|
