Measures and time · Ages 7–8

Notes: knowing, counting and changing them worksheet

Part of: Notes and prices

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Measures and time · Ages 7–8

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Name:Date:Score:／48

Write each answer in the space. For word problems, show your working and write a sentence answer.

1.How much money is in the picture?
Answer:
2.$60 can be changed into 3 $20 notes. How many $10 notes is the same money?
Answer:
3.How many $100 notes can you get for one $1,000 note?
Answer:
4.How much are the notes and coins in the picture worth?
Answer:
5.How many $500 notes can you get for one $1,000 note?
Answer:
6.$120 can be changed into 6 $20 notes. How many $10 notes is the same money?
Answer:
7.Change $710 into $100 and $10 notes, using as few notes as possible: $100 notes and $10 notes.
Fill in each blank
Answer:
8.Change $890 into $100 and $10 notes, using as few notes as possible: $100 notes and $10 notes.
Fill in each blank
Answer:

13.Tsz-ching changes a $500 note into 3 $100 notes and some $20 notes. How many $20 notes are there?
Working:
Answer:
14.Chi-keung's purse holds one $500 note, 8 $50 notes and 8 $10 coins. How much is that?
Working:
Answer:
15.Tsz-ching has 4 $100 notes and 7 $20 notes. How much is that?
Working:
Answer:
16.A game console costs $400. Paying with $100 notes takes notes; with $50 notes, notes.
Fill in each blank
Working:
Answer:
17.Tsz-hin has 10 $10 notes and changes them all into $50 notes. How many $50 notes is that?
Working:
Answer:
18.Ka-lok changes a $1,000 note into 4 $50 notes and some $20 notes. How many $20 notes are there?
Working:
Answer:

Show the answers and working

Notes: knowing, counting and changing them worksheet: Answers and working

1. 160 dollars
Find the biggest note first, start from it and add the others one at a time.
Start with the biggest note and add them one by one: $160.
2. 6
How many $10 notes make one $20 note? Do that for each of the 3 $20 notes.
One $20 note is two $10 notes: smaller notes, more of them, so 3 becomes 6.
3. 10 notes
Count up in $100s: how many counts does it take to reach $1,000?
Count $100 at a time: reaching $1,000 takes 10 notes.
4. 223 dollars
Count the notes first, biggest first; add the coins after that.
Count the notes, biggest first, then add the coins: $223.
5. 2 notes
Count up in $500s: how many counts does it take to reach $1,000?
Count $500 at a time: reaching $1,000 takes 2 notes.
6. 12
How many $10 notes make one $20 note? Do that for each of the 6 $20 notes.
One $20 note is two $10 notes: smaller notes, more of them, so 6 becomes 12.
7. 7, 1
Use as many $100 notes as you can: how many hundreds are in $710? Only the rest goes in $10s.
Use $100s as far as you can: 710 has 7 hundreds, and the rest takes 1 $10 notes.
8. 8, 9
Use as many $100 notes as you can: how many hundreds are in $890? Only the rest goes in $10s.
Use $100s as far as you can: 890 has 8 hundreds, and the rest takes 9 $10 notes.

9. C
Look at the number printed on each note and find the one that shows 50.
A note shows its value on it: $50.
10. C. $100 notes
The bigger each note, do you need more notes or fewer to pay the same amount?
The bigger the note, the fewer you need: for $200, $100 notes take the fewest.
11. D
Count each set, starting with its biggest note, and see which makes exactly $610.
Count each set, biggest first: the one making exactly $610 is the answer.
12. D
Count each set, starting with its biggest note, and see which makes exactly $210.
Count each set, biggest first: the one making exactly $210 is the answer.

Marking: 2 for the working, 1 for the answer, 1 for the sentence.

13. 10 notes
First work out 3 $100 notes, then see how much of the $500 is left to change into $20 notes.
3 $100 notes make $300; the other $500 − 300 in $20 notes is 10.
14. 980 dollars
Start at $500, count on in $50s 8 times, then in $10s.
500, then on in 50s, then in 10s: $980.
15. 540 dollars
Count the $100 notes first: what are 4 of them worth? Then count on in $20s.
Count the $100s, then on in $20s: $540.
16. 4, 8
How many hundreds are in $400? And how many $50 notes make one $100?
400 is 4 hundreds; one $100 = two $50s, so 8 $50 notes.
17. 2 notes
Work out how much 10 $10 notes are worth, then how many $50s fit into that.
10 $10 notes are $100; a $50 note is five $10 notes, so 2 notes: bigger notes, fewer of them.
18. 40 notes
First work out 4 $50 notes, then see how much of the $1,000 is left to change into $20 notes.
4 $50 notes make $200; the other $1,000 − 200 in $20 notes is 40.

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