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:
- Addend- The numbers that are added together in an addition problem. 8+3=11 (8 and 3 are the addends)
- 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.