- 1. to join two or more numbers (or quantities) to get one number (called the sum or total)
A) subtract
B) addition
C) equation
- 2. the amount of turning between two lines meeting at a common point
A) angle
B) edge
C) surfaces
- 3. point where surfaces meet (vertex)
A) corner
B) edge
C) surfaces
- 4. collection of information usually gathered by observation, questioning or measurement; often seen on graphs or charts
A) data
B) identify
C) solve
- 5. to break apart; a method of subtraction
A) decompose
B) compose
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) perimeter
B) place value
C) solve
- 8. where two surfaces join, or come together, on a three-dimensional object
A) edge
B) corner
C) angle
- 9. number sentence containing an equal sign; both sides are equal
A) subtract
B) addition
C) equation
- 10. flat surfaces of a three-dimensional object
A) face
B) corner
C) estimate
- 11. a side, in two or three-dimensions; can be curved or flat
A) perimeter
B) identify
C) surface
- 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) subtract
B) equation
C) half
- 14. measurement of how cold or hot something is; using a thermometer
A) temperature
B) array
C) estimate
- 15. a continuous mark; can be straight or curved
A) face
B) line
C) describe
- 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) array
B) number sentence
C) surface
- 18. something used to buy goods and services; can be paper or coins
A) money
B) angle
C) face
- 19. line marked with numbers; may be used to help solve equations
A) edge
B) represent
C) number line
- 20. mathematical sentence written using numbers and symbols
A) number sentence
B) difference
C) data
- 21. distance around the outside of a shape
A) perimeter
B) duration
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) estimate
B) difference
C) identify
- 24. put together, arrange or produce
A) compose
B) distance
C) temperature
- 25. to make a guess about the size or amount of something
A) edge
B) face
C) estimate
- 26. length between two points, or places
A) distance
B) corner
C) identify
- 27. length of time something lasts
A) array
B) addition
C) duration
- 28. label, classify, describe, determinate
A) identify
B) difference
C) line
- 29. to write, or tell, about something using details
A) distance
B) describe
C) corner
- 30. to take one number (or quantity) away from another; the answer is the difference between two numbers
A) subtract
B) data
C) addition
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