Gleerups Ch1 - Jeopardy Practice

Primtal / Rounding

100

Round 3,285 to the nearest tenths (tiondel) and hundredth (hundradel)

tiondel: 3.3

hundradel: 3.29

200

Without a calculator, what is a good estimate for:

4,8 x 204

5 x 200 = 1000

300

What are the prime factors for 63?

3 and 7

400

Look at the number 5921,08

What would the new number be if the tens digit (tiotal siffra) and the hundredth digit (hundradel siffra) were switched? 

5981,02

500

Fill in the blanks using prime factors.

_ x _ x _ x _ x _ x _ = 810

3 x 3 x 3 x 3 x 2 x 5 = 810

Negative Numbers (Add/Subtract)

100

6 - 7 =

-2 - 9 =

5 + (-1) =

-1

-11

4

200

6 x -3 =

-2 x 9 =

-4 x -5 =

72 / -8 =

-54 / -9 =

-18

-18

20

-9

6

300

3 - (-7) =

-3 - (-7) =

10

4

400

3 x -4 x -5 = 

2 x 8 x -3

60

-48

500

9 - 10 + 2 =

-5 + 1 - 7

-6 - (-8) - (-5) =

1

-11

7

King Henry

100

What are all the King Henry prefixes in order starting with kilo?

Kilo Hecto Deca Base Deci Centi Milli

200

Change the following units:

5kg into g

6m into mm

8hl into cl

5000g

6000m

80000cl

300

15dm into m

238cl into L

16mg into dag

1,5m

2,38L

0,0016dag

400

3,29kg into dg

15,72L into hl

2,98cm into km

32900dg

0,1527hl

0,0000298km

500

(Use a calculator to help you)

What is 80km/h in m/s? Round to one decimal place

22,2 m/s

Decimals

100

39,2 + 46,7 =

46,5 - 15,9 =

85,9

30,6

200

1,42 + 4,8

8,8 - 3,98

6,22

4,82

300

7,2 x 5

8,95 x 3

36

26,85

400

3,5 x 8,9

6,27 x 1,4

31.15

8,778

500

59,2 / 0,4 

822 / 60

148

13,7

Problem Solving

100

(Use a calculator)

John saves 75kr a month. How much money would he save after 1 year and 5 months?

1 275kr

200

(Use a calculator)

Mary is filling 9dl jars with strawberry jam, If she has 82,5L of jam, how many full jars will she have?

91 jars

300

(Use a calculator)

Mary is filling 9dl jars with strawberry jam, If she has 82,5L of jam. How much centiliters of jam will be in the last jar?

60cl

400

(Use a calculator)

3,5kg of bananas cost 82,95kr. How much does 4,2kg of bananas cost? 

If you have 140kr. How many kg of bananas can you get? (Round to 1 decimal place)

99,54 kr

5,9kg

500

(Use a calculator)

One million crowns in thousand notes weighs 1.4 kg. One year Swedes bought clothes to the value of 30 billion crowns. Imagine that amount in thousand notes. How much would that weigh? Give your answer in tonnes. 

En miljon kronor i tusenlappar väger 1,4 kg. Ett år köpte vi svenskar kläder för 30 miljarder kronor. Tänk dig den summan i tusenlappar. Hur mycket skulle det väga? Svara i ton.                                    A Level

a thousand 1000 notes weigh 1,4kg

one 1000 note weighs 0,0014kg

30bil crowns is equal to 30 000 000 notes.

0,0014 x 30 000 000 = 42 000 kg

42 000kg = 42 tons