add and subtract
multiply and divide
expressions
rates and conversions
problem solving
100

-3 + 2

-1

100

12,6 / 100

0,126

100

Pants cost 200 kr per pair.  Write an expression for the cost of 300 pairs of pants.

(300 x 200)kr or 6000kr

100

Jenny buys 1,2kg of fairtrade bananas on offer for 18kr, what was the price per kg (kr/kg)?

15 kr/kg

100

What is more, 4 330mL cans or one 15dL bottle?

one 15dL bottle

200

(-5) - 2

-7

200

0,72 / 0,9

0,8

200

Apples cost 17 kr/kg and bananas cost 20 kr/kg.  Write an expression for the cost of 2 kg of apples and 1,5 kg of bananas.

(2 x 17 + 1,5 x 20)kr

200

Jessica takes a hot air balloon ride on a beautiful November day. The temperature begins at 2 degrees and drops 1 degree every 200m. What temperature will it be 0,8 km up?

-2 degrees

200

You earn 500 kr in 2,5 hours. How much will you earn in a week if you work 36,5 hours per week? Du får 500 kr på 2,5 timmar. Hur mycket tjänar du på en vecka om du arbetar 36,5 timmar i veckan? 

7 300 kr

300

-4 - -9

5

300

0,3(0,4) + 1

1,12

300

Hot Wheels cost 19 kr per car.  Write and expression for your change from 1 000 kr when you buy 30 cars.

(1 000 - 30 x 19)kr

300

Joseph puts a 1,5L bucket under a leaking pipe. How hours and minutes will it take the bucket to fill up if it drips 4ml a minute?

375 min = 6 hours and 15 minutes

300

Temperaturen när jag börjar klättra upp för Mount Everest är 10 C. För varje 300 m som jag klättrat så sjunker temperaturen med 4 C. Vad kommer temperaturen vara när jag har klättrat 3 km?

-30

400

16 - (2 x 4)

8

400

5(6 - 3 · 2)

0

400

Write an expression for your change from 200 kr when you buy 1,2 kg of grapes at 15 kr/kg and 0,5 kg of kiwis at 25 kr/kg.

(200 - (1,2 x 15 + 0,5 x 25))kr

400

A penguin went out fishing and swam 4 mil at 6 km/hr. How many hours and minutes did it take? En pingvin gick ut och fiskade och simmade 4 mil i 6 km/h. Hur många timmar och minuter tog det?

6 hours 40 minutes

400

What number is 7/9 of the way between -20,5 and 6 1⁄2? Vilket tal är 7/9 av vägen mellan -20,5 och 6 1⁄2?

0,5 or 1/2

500

6 + (2 - 3(4))2

106

500

((-12 - 2)/2)2

49

500

Nuts cost 70 kr/kg.  Write an expression for the amount of hg of nuts you can  buy for 35 kr.

(35/7)hg

500

A faucet can fill a tub in 20 minutes, and a drain can empty the tub in 40 minutes. If both the faucet and the drain are open, how long will it take to fill the tub? En kran kan fylla ett badkar på 20 minuter och ett avlopp kan tömma badkaret på 40 minuter. Om både kranen och avloppet är öppna, hur lång tid tar det att fylla badkaret.

40 minutes

500

A train which has a length of  ⅕ km is traveling at a speed of  36 km/hr.  It enters a tunnel 1 mil long.  How long does it take the train to pass through the tunnel from the moment the front enters the tunnel to the moment the rear leaves it?

17 min

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