Multiplying and dividing small and large numbers
0,3x100
30
Ellen dricker 20 cl apelsinjuice varje morgon. Hur många liter apelsinjuice dricker hon sammanlagt på en trettiodag månad?
6 liter
10 = z + 6
z=4
Find 1/3 of 33=
11
Find the area of each rectangle for the given measurements.
length = 10 cm, width = 8 cm
80cm squared
0,07/10
0,007
En kamel lagrar fett i sina två pucklar. Fettet kan sen omvandlas till vatten i kamelens kropp. Detta gör att kameler inte behöver dricka på ett halvår. Hur många liter vatten kan fettet i pucklarna omvandlas till, om en kamel förbrukar ungefär 180 dl vatten per månad?
216 liter
9c + 1 = 10
c=1
7/4-8/5=
3/20
Sally needs to replace a small window in her apartment. The window measures 40cm by 120cm. What is the area of the piece of glass she needs to replace it with?
The piece of glass to replace the window will have an area of 40cm x 120cm = 4800cm2
120/0,6
72
A scooter uses 24,8 liters of petrol in 100 kilometers. How much does it use per kilometer?
0,248 liters
3x(10+6-7+9)
54
Mahlet använder 4/9 av sin månadspeng till godis, 2/9 till bio och resten sparar hon. Hur stor andel av månadspengen sparar hon?
3/9 or 1/3
Sally is thinking of helping her Grandmother build a space to raise some chickens. They have 12m of fence and they want to have the biggest area possible for them. Draw 3 different spaces they could make. Which space has the biggest area?
Space 1 is 1m by 5m and has an area of 5m2.
Space 2 is 2m by 4m and has an area of 8m2.
Space 3 is 3m by 3m and has an area of 9m2.
Space 3, a square, will give the biggest area for the chickens.
900x4,5
4050
En hundralapp väger ca 0,0007 kilogram. Vad väger 2 miljoner kronor i hundralappar?
14kg
(7 ÷ (−7)) × (−4) + (−2)
2
1/3x-1/3=
-1/9
Sarah notices a relationship between the angles in a oliksidig (scalene) triangle and estimates that the largest angle is 3 times as big as the smallest angle, and the middle angle is twice as big as the smallest angle. What are the sizes of angles?
x=30
2x=60
3x=90
780,0/0,26
How many minutes are there in the month of September?
43,200 minutes
6-50/a=1
a=10
1/8x(1/3 divided 2/9+3/8)=
15/64
I en likbent triangel är var och en av basvinklarna fyra gånger så stor som den tredje vinkeln. Hur stora är triangelns vinklar. Rita en bild av hur triangel kan se ut.
x=20
4x=80