How do I tell the tens digit from the ones digit?

From the right, the first digit is the ones and the second is the tens, so 68 has tens digit 6.

How do I compare two two-digit numbers?

Compare the tens digits first, and only compare the ones when the tens are equal.

What is the usual trap when counting to 100?

After a 9 you must carry: after 79 comes 80, with the ones becoming 0 and the tens going up by 1.

P1 Maths Numbers to 100 Paper 2: Intermediate

2026-11-09

Tutor Prep Guide · P1 Maths

Ten original items, each with an answer and a one-line explanation.

Direct answers　Items 1-3 are basic, 4-6 intermediate and 7-9 challenge, with item 10 as the error review. Time yourself first, then check each answer and redo what is wrong.

01　Paper details (check answers afterwards)

Item	Detail
Questions	10
Suggested time	20
Difficulty mix	Foundation 3 · Intermediate 3 · Challenge 3 · Error redo 1
Chapter	Chapter: P1 Maths Numbers to 100
Level	P1

02　Questions (10 items)

FoundationWhat number is 3 tens and 9 ones?
FoundationWhat number is 1 less than 60?
FoundationHow many tens and how many ones are in 55?
IntermediateArrange 47, 74, 70 and 17 from smallest to largest. Which is second?
IntermediateHow many whole numbers lie strictly between 72 and 77?
IntermediateA number has tens digit 4 and ones digit 0. What is it after adding 20?
ChallengeUsing the digit cards 2, 5 and 9 once each, what is the largest three-digit number?
ChallengeStart at 100 and subtract 10 each time: 100, 90, … What is the third number?
ChallengeHow many even numbers lie strictly between 65 and 70?
Error redoError review: a pupil says 100 must be a two-digit number because it comes right after 99. Is that right?

03　Answers and one-line notes

#	Answer	One-line note
1	39	3 tens make 30, and 9 ones more give 39.
2	59	One less than 60 is 59.
3	5 tens and 5 ones	Both digits of 55 are 5, so it is 5 tens and 5 ones.
4	47	The order is 17, 47, 70, 74, so 47 is second.
5	4	They are 73, 74, 75 and 76, so 4 numbers; 72 and 77 are not counted.
6	60	The number is 40, and 40 + 20 = 60, which is 6 tens.
7	952	Put 9 in the hundreds, 5 in the tens and 2 in the ones to get 952.
8	80	100 − 10 = 90 and 90 − 10 = 80.
9	2	The numbers between are 66, 67, 68 and 69; the even ones are 66 and 68, so 2.
10	No, 100 has three digits	100 has hundreds, tens and ones digits, so it is a three-digit number; the largest two-digit number is 99.

04　What to do after marking

After marking, redo only the wrong items and write down which step went wrong (formula, unit, or misread number).
Repeat the same item two days later; move to the next paper only when both attempts are correct.
Parents only need the answer and note columns; there is no need to explain every item.

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Questions and answers are written originally by the TutorZone team and are not taken from any school, publisher or examination authority paper. Every value is checked by computer.