| A | B |
|---|
| addends | the numbers you add to find a sum |
| area | the number of square units inside a shape |
| perimeter | the distance around a shape |
| array | objects arranged in equal rows and columns |
| chance | the probability that an event will happen |
| chart | used to show information using words and numbers |
| combination | a group or set of items |
| data | information used to find an answer |
| decimal | a number that uses a decimal point to show tenths and hundreths |
| digits | 0,1,2,3,4,5,6,7,8, and 9 |
| elapsed time | the hours and/or minutes between two times |
| equal | when two expressions have the same value |
| equivalent | having the same value |
| equation | a number sentence using = to show that two expressions are equal |
| estimate | to find a number that is close to an exact number |
| even number | a number that has a 0,2,4,6, or 8 in the ones place |
| odd number | a whole number that has 1,3,5,7, or 9 in the ones place |
| expanded form | a way to write a number that shows the place value of each digit ex: 9,000+300+20+5 |
| expanded notation | 5,000+800+10+4 |
| fact family | a set of addition and subtraction facts (or multiplication/division) using the same numbers |
| fraction | a way to compare equal parts to a whole using a numerator and denominator |
| angle | two rays with a common endpoint |
| circle | a shape in which all the points are the same distance from the center |
| closed | when a shape's sides are all connected |
| cone | a solid figure that has a circular base and one vertex |
| cube | a solid figure that has six square faces |
| cylinder | a solid figure with two circular bases |
| face | a side of a solid figure |
| flip (reflection) | a change that makes the shape look backwards |
| hexagon | a shape with 6 sides |
| octagon | a shape with 8 sides |
| pentagon | a shape with 5 sides |
| pyramid | a solid figure with triangular sides |
| rectangle | a shape that has four sides and four right angles |
| rectangular prism | a solid figure whose six faces are all rectangles |
| right angle | an angle with a square corner |
| right triangle | a triangle with a square corner |
| side | a line segment forming part of a shape |
| solid | a figure that has length, width, height, and volume |
| sphere | a round shape, like a ball |
| square | a shape that has four equal sides and four right angles |
| three-dimensional | describes solid shapes |
| triangle | a shape that has three sides |
| bar graph | a graph that uses bars to show data |
| line graph | a graph that connects points to show how data changes over time |
| pictograph | a graph that uses pictures |
| greatest number (most) | the number that is bigger than the other numbers |
| least number (fewest) | the number that is smaller than the other numbers |
| grid | a graph used to locate points |
| geoboard | a board used to make shapes using rubberbands |
| greater than (>) | when a number is bigger than the other number |
| less than (<) | when a number is smaller than the other number |
| hundred board | a chart with the numbers 1-100 |
| likely | a result that probably will happen |
| unlikely | a result that probably will not happen |
| height | the number of units tall an object is |
| weight | the measurement of how heavy an object is |
| length | the number of units long an object is |
| width | the number of units wide an object is |
| inch | a customary unit of length - 12 of them equal one foot |
| foot | a customary unit of length - equal to 12 inches |
| yard | a customary unit of length - equal to 3 feet |
| mile | a customary unit of length - equal to 1,760 yards |
| ounce (weight) | a customary unit of weight - 16 of them equal one pound |
| pound | a customary unit of weight - equal to 16 ounces |
| ton | a customary unit of weight - equal to 2,000 pounds |
| ounces (fluid) | a customary unit of capacity - 8 of them equal one cup |
| cup | a customary unit of capacity - equal to 8 fluid ounces |
| pint | a customary unit of capacity - equal to 2 cups |
| quart | a customary unit of capacity - equal to 2 pints |
| gallon | a customary unit of capacity - equal to 4 quarts |
| temperature (degrees F) | the freezing point is 32 degrees for this type of temperature |
| millimeter | a metric unit of length - 10 of them equal one centimeter |
| centimeter | a metric unit of length - equal to 10 millimeters |
| meter | a metric unit of length - equal to 100 centimeters |
| kilometer | a metric unit of length - equal to 1000 meters |
| gram | a metric unit of weight - 1000 of them equal one kilogram |
| kilogram | a metric unit of weight - equal to 1000 grams |
| milliliter | a metric unit of capacity - 1000 of them equal one liter |
| liter | a metric unit of capacity - equal to 1000 milliliters |
| temperature (degrees C) | the freezing point is 0 degrees for this type of temperature |
| number cube | a die with numbers on it instead of dots |
| ordered pair/number pair | a pair of numbers used to locate a point on a coordinate grid ex:(5,8) |
| pattern | a sequence of numbers, objects, events, or ideas that repeat |
| place value | the value given to the place a digit has in a number |
| ones | the first digit in a one-digit number |
| tens | the first digit in a two-digit number - equal to 10 ones |
| hundreds | the first digit in a three-digit number - equal to 10 tens |
| thousands | the first digit in a four-digit number - equal to 10 hundreds |
| predict | to make a guess about what will happen |
| probability | the chance that an event will happen |
| product | the answer to a multiplication problem |
| quotient | the answer to a division problem |
| regrouping | naming a number in a different way ex:"carry,""borrow" |
| round | to replace a number with a number that tells about how much or how many |
| rule | what to do to the IN number to get the OUT number |
| fair | when all results are equally likely to happen |
| unfair | when all results are not equally likely to happen |
| story problem | a problem using words and numbers |
| sum | the answer to an addition problem |
| difference | the answer to a subtraction problem |
| survey | a question or questions answered by a group of people |
| symbol | a picture in a pictograph that stands for a given number of objects |
| symmetry | when a figure can be folded along a line so that both parts match exactly |
| tally mark | a mark used to record data ex: /// |
| tally chart | a chart that uses tally marks |
| total | the sum of a group of numbers |
