2nd Grade Mathematics 2009

- 1. to join two or more numbers (or quantities) to get one number (called the sum or total)
A) equation B) subtract C) addition - 2. the amount of turning between two lines meeting at a common point
A) surfaces B) angle C) edge - 3. point where surfaces meet (vertex)
A) surfaces B) edge C) corner - 4. collection of information usually gathered by observation, questioning or measurement; often seen on graphs or charts
A) data B) solve C) identify - 5. to break apart; a method of subtraction
A) compose B) decompose C) distance - 6. a fraction with a numerator of one
A) unit fraction B) number sentence C) edge - 7. to work out, or find, the answer to a problem
A) solve B) place value C) perimeter - 8. where two surfaces join, or come together, on a three-dimensional object
A) corner B) angle C) edge - 9. number sentence containing an equal sign; both sides are equal
A) addition B) equation C) subtract - 10. flat surfaces of a three-dimensional object
A) face B) estimate C) corner - 11. a side, in two or three-dimensions; can be curved or flat
A) identify B) surface C) perimeter - 12. the value of a digit (number) depending on its place in a number
A) place value B) equation C) identify - 13. one of two equal parts
A) half B) subtract C) equation - 14. measurement of how cold or hot something is; using a thermometer
A) array B) estimate C) temperature - 15. a continuous mark; can be straight or curved
A) describe B) face C) line - 16. to work out, or solve, a problem in your mind; without using paper, pencil or calculator
A) equation B) addition C) mental math - 17. a set of objects or numbers arranged in order; often in rows and columns
A) number sentence B) array C) surface - 18. something used to buy goods and services; can be paper or coins
A) angle B) money C) face - 19. line marked with numbers; may be used to help solve equations
A) number line B) edge C) represent - 20. mathematical sentence written using numbers and symbols
A) number sentence B) data C) difference - 21. distance around the outside of a shape
A) duration B) perimeter C) half - 22. stands for something; may be sign, symbol or object
A) compose B) represent C) angle - 23. number that remains after subtraction: distance between two numbers
A) identify B) difference C) estimate - 24. put together, arrange or produce
A) compose B) temperature C) distance - 25. to make a guess about the size or amount of something
A) estimate B) face C) edge - 26. length between two points, or places
A) corner B) identify C) distance - 27. length of time something lasts
A) array B) addition C) duration - 28. label, classify, describe, determinate
A) identify B) line C) difference - 29. to write, or tell, about something using details
A) describe B) distance C) corner - 30. to take one number (or quantity) away from another; the answer is the difference between two numbers
A) data B) subtract C) addition |

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