Mar1
Lines of Symmetry
A line of symmetry divides a shape and a figure into two equal parts.
If a shape can be folded or divided into two equal parts, then it has symmetry.
feb23
Shapes
A square has four equal sides and four corners.
A rectangle has two pairs of equal sides and four corners. Two sides are long and two sides are short.
A triangle has three sides and three corners.
A circle has no corners. It is perfectly round.
Open and Closed Curves
An open curve is a figure whose ends do not meet.
A closed curve is a figure whose ends meet.
Word Problems Involving Money
Feb3
Subtracting Amounts of Money
To subtract amounts of money, remember the following:
1. Make sure that the decimal points that separate the pesos from the centavos are in one column.
2. Subtract amounts of money just like whole numbers.
3. Write or with the decimal point in the final answer.
Adding Amounts of Money
To add amounts of money, remember the following:
1. Make sure that the decimal points that separate the pesos from the centavos are all in one column.
2. Add the amounts just like the whole numbers.
3. Do not forget to write the correct symbol ( or ) and the decimal point in your answer.
jan22
Comparing Amounts of Money
In comparing amounts of money, use the symbols > for is greater than, < for is less than, and = for is equal to.
Always compare the amounts in pesos first, then the amounts in centavos.
