Year 1 Maths Australia - Free Printable
Educational worksheet: Year 1 Maths Australia. Download and print for classroom or home learning activities.
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Step-by-step solution for: Year 1 Maths Australia
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Show Answer Key & Explanations
Step-by-step solution for: Year 1 Maths Australia
Let’s go through each question one by one and solve them carefully.
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1) 3 + 6 =
We add 3 and 6 together.
3 + 6 = 9
✔ Answer: 9
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2) Write down the next number: 8, 9, 10, 11, 12, ___
This is counting up by 1 each time. After 12 comes 13.
✔ Answer: 13
---
3) How many sides? [Trapezoid shape shown]
A trapezoid is a four-sided shape (quadrilateral). It has 4 straight sides.
✔ Answer: 4
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4) 8 - 5 =
Subtract 5 from 8.
8 - 5 = 3
✔ Answer: 3
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5) Which number is missing from the number line?
Number line: 7, __, 9, 10, 11, 12, 13
The numbers are increasing by 1. Between 7 and 9 should be 8.
✔ Answer: 8
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6) How many fish?
Count the fish in the image: there are 7 yellow fish.
✔ Answer: 7
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7) What number comes after 20?
After 20 is 21.
✔ Answer: 21
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8) How much money?
There are 3 coins shown:
- Two 50p coins → 50 + 50 = 100p = £1
- One 20p coin → 20p
Total: £1 + 20p = £1.20 or 120p
But since it’s likely expecting pence or pounds — let’s check context. In UK math quizzes like this, they often expect total in pence or pounds with symbol.
Actually, looking again: two 50p coins and one 20p coin → 50+50+20 = 120p = £1.20
But maybe they want just the number? Let’s assume they want the total value as a number with unit if needed. But since no unit specified, and other answers are numbers, perhaps just “120” if in pence.
Wait — actually, in many such worksheets, they accept “£1.20” or “120p”. But since the question says “how much money?” and doesn’t specify unit, safest is to write the total in pence: 120.
Alternatively, maybe they expect “1 pound 20 pence” — but that’s not a single number.
Looking at the format of other questions — all answers are single numbers. So probably 120 (meaning 120 pence).
But let me double-check: 50p + 50p + 20p = 120p → yes.
✔ Answer: 120
*(Note: If the worksheet expects pounds, it might be 1.20, but given the context of early math, 120 is more likely intended.)*
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9) I have 10 bananas. I eat 3 of them. How many are left?
Start with 10, subtract 3 eaten.
10 - 3 = 7
✔ Answer: 7
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10) Sally has 5 cakes. She makes 2 more. How many does she have?
She starts with 5, adds 2 more.
5 + 2 = 7
✔ Answer: 7
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11) Draw the next shape in the sequence.
Sequence: △ △ △ △ □ △ □ △ □ △ □ ___
Let’s look at the pattern:
Positions:
1: △
2: △
3: △
4: △
5: □
6: △
7: □
8: △
9: □
10: △
11: □
12: ?
From position 5 onward: □, △, □, △, □, △, □...
So starting at position 5, it alternates: □, △, □, △, □, △, □...
Position 5: □
6: △
7: □
8: △
9: □
10: △
11: □
12: should be △
Because after □ comes △.
So next shape is triangle: △
✔ Answer: △
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12) Which number comes before 18?
Before 18 is 17.
✔ Answer: 17
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Now, compiling all final answers in order:
1) 9
2) 13
3) 4
4) 3
5) 8
6) 7
7) 21
8) 120
9) 7
10) 7
11) △
12) 17
Final Answer:
9, 13, 4, 3, 8, 7, 21, 120, 7, 7, △, 17
---
1) 3 + 6 =
We add 3 and 6 together.
3 + 6 = 9
✔ Answer: 9
---
2) Write down the next number: 8, 9, 10, 11, 12, ___
This is counting up by 1 each time. After 12 comes 13.
✔ Answer: 13
---
3) How many sides? [Trapezoid shape shown]
A trapezoid is a four-sided shape (quadrilateral). It has 4 straight sides.
✔ Answer: 4
---
4) 8 - 5 =
Subtract 5 from 8.
8 - 5 = 3
✔ Answer: 3
---
5) Which number is missing from the number line?
Number line: 7, __, 9, 10, 11, 12, 13
The numbers are increasing by 1. Between 7 and 9 should be 8.
✔ Answer: 8
---
6) How many fish?
Count the fish in the image: there are 7 yellow fish.
✔ Answer: 7
---
7) What number comes after 20?
After 20 is 21.
✔ Answer: 21
---
8) How much money?
There are 3 coins shown:
- Two 50p coins → 50 + 50 = 100p = £1
- One 20p coin → 20p
Total: £1 + 20p = £1.20 or 120p
But since it’s likely expecting pence or pounds — let’s check context. In UK math quizzes like this, they often expect total in pence or pounds with symbol.
Actually, looking again: two 50p coins and one 20p coin → 50+50+20 = 120p = £1.20
But maybe they want just the number? Let’s assume they want the total value as a number with unit if needed. But since no unit specified, and other answers are numbers, perhaps just “120” if in pence.
Wait — actually, in many such worksheets, they accept “£1.20” or “120p”. But since the question says “how much money?” and doesn’t specify unit, safest is to write the total in pence: 120.
Alternatively, maybe they expect “1 pound 20 pence” — but that’s not a single number.
Looking at the format of other questions — all answers are single numbers. So probably 120 (meaning 120 pence).
But let me double-check: 50p + 50p + 20p = 120p → yes.
✔ Answer: 120
*(Note: If the worksheet expects pounds, it might be 1.20, but given the context of early math, 120 is more likely intended.)*
---
9) I have 10 bananas. I eat 3 of them. How many are left?
Start with 10, subtract 3 eaten.
10 - 3 = 7
✔ Answer: 7
---
10) Sally has 5 cakes. She makes 2 more. How many does she have?
She starts with 5, adds 2 more.
5 + 2 = 7
✔ Answer: 7
---
11) Draw the next shape in the sequence.
Sequence: △ △ △ △ □ △ □ △ □ △ □ ___
Let’s look at the pattern:
Positions:
1: △
2: △
3: △
4: △
5: □
6: △
7: □
8: △
9: □
10: △
11: □
12: ?
From position 5 onward: □, △, □, △, □, △, □...
So starting at position 5, it alternates: □, △, □, △, □, △, □...
Position 5: □
6: △
7: □
8: △
9: □
10: △
11: □
12: should be △
Because after □ comes △.
So next shape is triangle: △
✔ Answer: △
---
12) Which number comes before 18?
Before 18 is 17.
✔ Answer: 17
---
Now, compiling all final answers in order:
1) 9
2) 13
3) 4
4) 3
5) 8
6) 7
7) 21
8) 120
9) 7
10) 7
11) △
12) 17
Final Answer:
9, 13, 4, 3, 8, 7, 21, 120, 7, 7, △, 17
Parent Tip: Review the logic above to help your child master the concept of printable maths worksheets year 1 australia.
