Tuesday maths

Number	Pull apart this number using place value	Round to nearest 10th	Round to nearest whole number (1)	Write as a fraction	Write as a percentage	Double of this number	Half of this number	20% of this number	This number x10
1.45	1 whole, 4 tenths and 5 hundredths	1.5	1	145/100	145%	2.90	0.725	0.435	14.5
0.32	3 tenths and 2 hundredths	0.3	0	33/100	32%	0.64	0.16	0.064	3.20
0.99	9 tenths and 9 hundredths	1.0	1	99/100	99%	1.98	49.5	0.198	9.90
0.567	5 tenths 6 hundredths 7 thousands	0.6	1	567/100	56.7%	11.34	0.283.5	0.1134	5.67
1.25	1 whole 2 tenths and 5 hundredths	1.3	1	123/100	125%	2.50	0.625	0.25	12.5
2.33	2 ones, 3 tenths and 3 hundredths	2.3	2	233/100	233%	4.66	1.156	0.699	23.3

Finding fractions (answer might be a whole number of a decimal)

1. ⅓ of 10=3.33
2. ⅘  of 50=40
3. 1 ½ of 10=15
4. ⅔ of 180=120
5. ⅕ of 1000=200
6. ¾ of 100=75
7. ⅔ of 900=600
8. ⅘ of 450=360
9. 7/10 of 70=49
10. 4/6 of 60=24

Finding percentages

1. 18/20 as a percentage = 90%
2. 42/50 as a percentage = 84%
3. 32/35 as a percentage = 91%
4. 20/30 as a percentage = 66%
5. 3/15 as a percentage = 20%
6. 20% of 30 = 6%
7. 40% of 50 = 20%
8. 80% of 80 = 64%
9. 30% of 15 = 4.5%
10. 75% of 40 = 30%

Finding decimals 

1.  1.5+1.5=3.0
2. 8-1.4=6.6
3. 5-1.32=3.68
4. 6-1.43=4.57
5. 1-0.095=0.0805

Word problems

1. There are 6 students in Room 4. The other three-quarters of the students in the school are in Rooms 1,2 and 3. How many students are in Rooms 1, 2 and 3?18
2. Using a typing test, Miss Ashley correctly typed 20 words in 25.41 seconds. The next day, she typed 20 words in 24.98 seconds. How much faster did she get?48
3. During the rugby tournament, Leon drank 1.2 litres of water and other juice. On a normal day back at school, he only drinks 0.345ml of water. How much extra water did he have on the day of the tournament?855ml
4. Miss Ashley had the idea to sew masks for the kids when they come back to school. Each mask takes 0.33m of fabric to make. She has 8m of fabric. Does she have enough to make one mask each for her 26 students?no
1. Bonus: If she doesn't have enough, how much more fabric would she need?66m

If you buy 1 litre of juice, it costs $1.50. If you buy the 5 litre, it costs $5.99. If you want 10 litre of juice for a party, which should you buy and why?5.99