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Solutions

In these videos, you will watch Georgeta working through the solutions to the maths problems you saw in the previous step.

Here you can watch Georgeta working through the solutions to the problems you saw in the previous step. As you watch, listen for the key vocabulary in each video.

Problem 1

Question

students and cupcakes Four students baked some cupcakes for a party. The first student baked one tenth of the total number of cupcakes, the second student baked twelve more cupcakes than the first. The third student baked one more cupcake than the first student. The fourth student baked three times the number of cupcakes than what the second student baked. How many cupcakes did all four students bake all together?

Key Vocabulary

first (adj.)
/FIRST/
second (adj.)
/SE – cond/
third (adj.)
/THIRD/
fourth (adj.)
/FOURTH/
over (prep.)
/O – ver/
multiplied (pp.)
/MUL – ti – plied/
equation (n.)
/e – QUA – tion/
adding (ger.)
/AD – ding/
equals (v.)
/E – quals/
expand (v.)
/ex – PAND/
brackets (n.)
/BRACK – ets/
simplify (v.)
/SIM – pli – fy/
fraction (n.)
/FRAC – tion/
minus (prep.)
/MI – nus/
total (n.)
/TO – tal/

Solution

This is an additional video, hosted on YouTube.

Having problems watching this video? Listen to the audio and view this PDF of the transcript and working.

Problem 2

Question

The same four students decided they want to give an equal portion of cupcakes to a group of twelve children at a party. How many cupcakes will each of the twelve children get?

Key Vocabulary

worked out (v.)
/worked OUT/
divided by (v.)
/di – VI – ded by/
point (n.)
/POINT/

Solution

This is an additional video, hosted on YouTube.

Having problems watching this video? Listen to the audio and view this PDF of the transcript and working.

Problem 3

Question

There are twelve children. If each child wants no less than three cupcakes, what is the minimum number of cupcakes the four students should bring to the party?

Key Vocabulary

answer (n.)
/AN – swer/
minimum (adj.)
/MI – ni – mum/
thirty-six (n.)
/THIR – ty – SIX/

Solution

This is an additional video, hosted on YouTube.

Having problems watching this video? Listen to the audio and view this PDF of the transcript and working.

Discussion

Did you solve the problems the same way as Georgeta? What was the same or different in your solutions?

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English for STEM: Understanding Maths Vocabulary

Created by
FutureLearn - Learning For Life

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