Must the rows be shifted in long multiplication?

Yes. Each new row starts one place to the left because it multiplies by tens; a missed shift is the commonest error, so check the size of the answer by estimation.

How do I check a division with a remainder?

Use divisor x quotient + remainder = dividend, and confirm the remainder is smaller than the divisor; both must hold.

P4 Maths: Long Multiplication and Division (Advanced, 10 Questions)

2026-11-08

Tutor Prep Guide · P4 Mathematics

The advanced paper links the written method with problem solving: use splitting for faster products, estimate before dividing, and check with the inverse operation. All answers included.

Quick answer Answers in order: 1,472, 6,000, 7,320, 63, quotient 41, remainder 3, quotient 41, remainder 16, 912 pencils, 28 dollars, about 800; exact 819; difference 19, 720.

01 Paper details (check answers afterwards)

Item	Detail
Questions	10 questions
Suggested time	about 30 minutes
Difficulty mix	Intermediate 10
Chapter	Chapter: P4 Maths: Long Multiplication and Division
Level	P4

02 Questions (10 items)

IntermediateCalculate 46 x 32.
IntermediateCalculate 125 x 48.
IntermediateCalculate 305 x 24.
IntermediateCalculate 1,008 / 16.
IntermediateCalculate 946 / 23 and give the quotient and remainder.
IntermediateCalculate 1,000 / 24 and give the quotient and remainder.
IntermediateA box holds 24 pencils. How many pencils are in 38 boxes?
Intermediate784 dollars is shared equally among 28 students. How much does each get?
IntermediateEstimate 39 x 21, then find the exact value and the difference.
IntermediateCalculate 12 x 15 x 4.

03 Answers and one-line notes

#	Answer	One-line note
1	1,472	46 x 32 = 1,380 + 92 = 1,472.
2	6,000	125 x 48 = 6,250 – 250 = 6,000.
3	7,320	305 x 24 = 6,100 + 1,220 = 7,320.
4	63	16 x 63 = 1,008, so 1,008 / 16 = 63.
5	quotient 41, remainder 3	23 x 41 = 943 and 946 – 943 = 3, which is less than 23.
6	quotient 41, remainder 16	24 x 41 = 984 and 1,000 – 984 = 16, which is less than 24.
7	912 pencils	24 x 38 = 960 – 48 = 912.
8	28 dollars	784 / 28 = 28 because 28 x 28 = 784.
9	about 800; exact 819; difference 19	39 is about 40 and 21 is about 20, giving 800; the exact value is 819 and 819 – 800 = 19.
10	720	12 x 15 = 180, then 180 x 4 = 720.

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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