# Math

Math vocabulary words and definitions will be updated and displayed here regularly.  I recommend parents read these words and find ways to integrate them into daily activities.

Vocabulary words for the week of October 18th:

• Clockwise- The direction that the hands of a clock move when you look at it from the front.
• Difference- The answer in a subtraction sentence.
• Minus Sign- The symbol used to show that a number is being subtracted from another number.
• Vertical- In an up-down direction or position.

Vocabulary words for the week of September 30th:

• Plus Sign- The symbol + used to show that a number is being added to another number.
• Equal Sign- The symbol = used to indicate that the two terms it separates are equal.

Vocabulary words for the week of September 23rd:

• Part- a piece of a whole.
• Whole- All, everything.  All the parts. Undivided.

Vocabulary words for the week of September 16th:

• Greater Than- A symbol used to indicate that one number is larger than another number.
• Less Than- A symbol used to indicate that one number is smaller than another.
• Equal- Exactly the same amount or value

Vocabulary words for the week of September 9th:

• Penny- A U.S. coin worth 1 cent
• Nickel- A U.S. coin worth 5 cents
• Pentagon- A 2D shape with five sides
• Clock- A device for indicating or measuring time
• Between- In the space separating two points, objects, or numbers
• Before- Ahead of in time, place, or sequence

Vocabulary words for the week of September 3rd:

Number words-  zero, one, two, three, four, five, six, seven, eight, nine and ten

Ordinal Numbers- 1st, 2nd, 3rd, 4th

Activity:  Have family members stand in line.  Identify who is first, second or third.

Polygon- A 2-D shape with three or more sides.

Triangle- A 2-D shape with three sides.

Activity:  Have child identify objects around the house that are triangles or polygons.

Cent- A money unit that is equal to 1/100 of a dollar.

Activity:  Count pennies.  Identify heads and tails of pennies.

Tally Mark- A way of keeping count by drawing marks.

Activity:  Keep track of how many books are read during the week, how many days until your next fun activity, how many people live in your house, etc.