B2 Unit 30: Numbers & amounts 2
19 B2 words: pi, metric, proximity, cube, ounce, thickness… Learn them in 4 steps, then review them every day.
Word list
| Word | Meaning | Example | |
|---|---|---|---|
| pi/paɪ/ n | pia math number used to measure circles | Pi is a number that starts 3.14.Pi is a number that starts 3.14. | |
| metric/ˈmɛtrɪk/ adj | metricrelating to the system using meters and grams | A metric ruler measures length in centimeters.A metric ruler measures length in centimeters. | |
| proximity/prɑkˈsɪməti/ n | proximitynearness in distance or time | Our house is in close proximity to the train station.Our house is in close proximity to the train station. | |
| cube/kjub/ n | cubea solid shape with six equal square sides | Leo put a sugar cube into his tea.Leo put a sugar cube into his tea. | |
| ounce/aʊns/ n | ouncea small unit of weight, about 28 grams | The recipe needs eight ounces of flour.The recipe needs eight ounces of flour. | |
| thickness/ˈθɪknəs/ n | thicknessthe distance between two sides of something | We measured the thickness of the wall with a ruler.We measured the thickness of the wall with a ruler. | |
| pentagon/ˈpɛntɪˌɡɑn/ n | pentagona flat shape with five sides | Lucy drew a pentagon with five equal sides.Lucy drew a pentagon with five equal sides. | |
| numerical/nuˈmɛrəkəl/ adj | numericalusing or relating to numbers | The numerical order of the pages was mixed up.The numerical order of the pages was mixed up. | |
| approximate/əˈprɑksəmət/ adj | approximateclose to exact but not completely exact | The approximate cost of the trip is five hundred euros.The approximate cost of the trip is five hundred euros. | |
| rectangular/rɛkˈtæŋɡjəlɚ/ adj | rectangularhaving four straight sides and four right angles | The table is rectangular, so four people fit on each long side.The table is rectangular, so four people fit on each long side. | |
| heap/hip/ n/v | heapa large untidy pile of things | There was a heap of clothes on the bed.There was a heap of clothes on the bed. | |
| multiply/ˈmʌltəˌplaɪ/ v | to multiplyto do a calculation increasing a number | If you multiply three by four, you get twelve.If you multiply three by four, you get twelve. | |
| densely/ˈdɛnsli/ adv | denselywith many things close together | The city is densely populated, with tall buildings everywhere.The city is densely populated, with tall buildings everywhere. | |
| quantify/ˈkwɑntɪˌfaɪ/ v | to quantifyto measure or express as a number | It is hard to quantify how much time we lost.It is hard to quantify how much time we lost. | |
| millimeter/ˈmɪləˌmitɚ/ n | millimeterone thousandth of a meter | The insect was only a millimeter long.The insect was only a millimeter long. | |
| subtract/səbˈtrækt/ v | to subtractto take one number from another | Subtract five from ten and you get five.Subtract five from ten and you get five. | |
| nought n | noughtthe number zero | The score was nought to nought after ninety minutes.The score was nought to nought after ninety minutes. | |
| centigrade/ˈsɛntəˌɡreɪd/ n | centigradea temperature scale where water freezes at 0 degrees | Water freezes at zero degrees centigrade.Water freezes at zero degrees centigrade. | |
| armful n | armfulthe amount that can be held in one’s arms | Sam carried an armful of books into the library.Sam carried an armful of books into the library. |