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
30% 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
0.18
1 tenths 8 hundredths
0.20
0
18/100
18%
0.36
0.9
0.054
1.80
0.26
2 tenths 6 hundredths
0.30
0
26/100
26%
52
0.13
0.076
2.6
0.56
5 tenths and 6 hundredths
0.60
1
56/100
56%
1.12
0.28
0.168
5.6
0.97
9 tenths and 7 hundredths
1.0
1
97/100
97%
1.94
0.485
0.291
9.7
1.23
1 whole , 2 tenths and 3 hundredths
1.20
1
123/100
123%
2.46
0.615
0.369
12.3
1.76
1 whole, 7 tenths and 6 hundredths
1.80
2
176/100
176%
3.52
0.88
0.528
17.6
3.91
3 wholes, 9 tenths and 1 hundredths
3.90
4
391/100
391%
7.82
1.955
1.173
39.1
14.095
1 ten, 4 ones, 0 tenths, 9 hundredths and 5 thousandths
14.100
14
140/100
140.95%
28.19
7.0475
4.2285
140.95
1.0456
1 ten, 0 ones, 4 hundredths, and 6 thousandths
1.0500 - h
1.0
0
1/100
104.56%
2.0912
0.5228
0.31368
10.456
0.0876
8 tenths 7 hundredths and 6 thousandths
0.900 - h
0.1 - t
1
0.087/100
0.0876%
0.1752
0.0438
0.02628
00.876
1 ten, 4 ones, 0 tenths, 9 hundredths and 5 thousandths
Finding fractions (answer might be a whole number of a decimal)
¾ of 50 37.5
4/9 of 16 = 16÷9x4=7.1
⅔ of 60 40
4/8 of 15 15÷8x4=7.5
⅕ of 18 3.6
⅜ of 12 12÷8x4=1
¾ of an hour (answer in minutes) 75 minutes
⅚ of an hour (answer in minutes)50 minutes
4/12 of 100 1002÷12x4 334
⅗ of 15 9
Finding percentages
10% of 50 10
20% of $18 2
5% of $199 = 199 divide by 100 x 5 = 9.95
25% of 150 = 150 divide by 100 x 25 = 37.5
10% of 56 = = 56 divide by 100 x 10 =5.6
80% of $18.99
50% of 120 60
50% of 260 130
50% of 32 16
75% of 150
Finding decimals
0.55+0.45=
1.45+1.65=
0.99+0.45=
1-.095=
3.5-1.2=
0.095+0.124=
1.56+1.32=
0.999+0.9=
0.32+1.776=
6.5-0.85=
Word problems
Lucy went for a walk with her family during lockdown. On Monday they walked 2.5km. On Tuesday they walked 4.19km. How far did they walk altogether? 6.69km
Mele’s goal was to walk 20km in one week during lockdown. The path from her house to the bottom of Mt Wellington is 1.9km one way. How many times does she need to walk to the mountain and back to reach her goal? 3.8x6=22.8
There are 30 students in Room 30. Three fifths of them are going to stay home during Level 2. How many are staying home? How many are coming to school?6x5=30 6x3=18 staying home 12 are going
Miss Ashley estimates that 40% of the year 7/8s will turn up to technology on Thursday. If there are 70 year 7/8s altogether, how many will turn up?
70 divided by 100 x 40=28
Dad bought a 1.5kg bag of flour. He uses 3 cups of flour to make a cake. How much flour is left? (You can express this in kg, percentage or fraction - you choose). 1.116 kg
Miss Ashley did a typing test online. The test is to get 10 words spelt accurately and as fast as you can. On Monday she could do it in 12.7 seconds. On Tuesday she could do it in 9.9 seconds. How much faster did she get?3.2
Two families are having pizza for dinner on the same night. In the first family, Michael, Mariah, Hope, Hevani and their mum and dad and 2 older brothers shared six pizzas equally between them. In the other family, Davlyn, Jairus and Saryah shared three pizzas between them. In which family would you get the most pizza?
Davlyns fam: because they get 1 whole pizza each
Miss Ashley is making lots of pancakes. She has 5.5kg of flour left. Each pancake uses 0.275kg of flour. How many pancakes can she make?
18 0.275x18=4.950
On speedskills, Tim got 24 questions correct out of 30. What is this as a percentage?
80%
Miss Ashley has $50 for petrol for her car. If petrol is $1.85 per litre, can she get enough petrol to fill up her 30 litre tank?
Bonus: if she doesn’t have enough, how much more money does she need to fill it up?
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