1. Which of the following is forty-two thousand, six hundred and nine in numerals? 

 

📖 REMINDER: Break the number into parts: thousands, hundreds, tens, and ones. Write each part as numerals and combine without commas or spaces in Singapore format.

 

WA1,NHSP,2024,Numbers and Place Value
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2. Arrange the following numbers from the smallest to the greatest.
52 418, 51 936, 52 107
 

 

📖 REMINDER: Compare numbers digit by digit from the left (ten-thousands place first). If digits are the same, move to the next place value.

WA1,NHSP,2024,Numbers and Place Value
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2.
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3. In the following number pattern, what is the missing number?
11 543, 11 643, 12 643, 12 743, 13 743, ______, 14 843, 14 943
 

 

📖 REMINDER: Look for a repeating two-step pattern. Check the differences between consecutive terms to spot the rule.

WA1,NHSP,2024,Patterns
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4. Round 52 837 to the nearest thousand. 

 

📖 REMINDER: To round to the nearest thousand, look at the hundreds digit. If it is 5 or more, round up; if it is less than 5, round down.

WA1,NHSP,2024,Estimation and Approximation
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5. 5 and 6 are factors of ______. 

 

📖 REMINDER: If two numbers are factors of a third number, then that third number is a multiple of both. Find the common multiple of the two factors.

WA1,NHSP,2024,Factors and Multiples
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2.
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6. Which of the following number is a common multiple of 4 and 7? 

 

📖 REMINDER: A common multiple is a number that is a multiple of both given numbers. Find the lowest common multiple (LCM) or check divisibility for each option.

WA1,NHSP,2024,Factors and Multiples
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2.
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7. John had 5,125 stamps. He gave 1,842 stamps to his friend and 975 stamps to his cousin. How many stamps did he have left?

 

 

Answer: stamps

 

 

📖 REMINDER: Subtract the total number of stamps given away from the original number. Work step-by-step to avoid errors.

 

 

WA1,NHSP,2024,Whole Numbers Operations

8. Mrs. Lim spends $528 each month. She spends the same amount of money each month. How much money does she spend in nine months?

 

 

Answer: $

 

 

📖 REMINDER: This is a multiplication problem. Multiply the monthly amount by the number of months.

 

 

WA1,NHSP,2024,Whole Numbers Operations

9. (a) Find the value of 936 ÷ 6

 

Answer: (a)

 

(b) Find the product of 32 and 15

 

Answer: (b)

 

 

📖 REMINDER: For division, split the number into parts divisible by the divisor. For multiplication, break it into easier steps like multiplying by 10 and then adjusting.

 

 

WA1,NHSP,2024,Whole Numbers Operations

10. The sum of two numbers is 8,417. The greater number is 5,628. What is the smaller number?

 

Answer:

 

📖 REMINDER: Subtract the greater number from the total sum to find the smaller number.

 

 

WA1,NHSP,2024,Whole Numbers Operations

11. 45,307 people attended a carnival. 28,450 of them were adults and the rest were children.

 

(a) How many children attended the carnival?

 

 

Answer: (a)

 

 

(b) 15,620 women attended the carnival. How many children and women attended the carnival?

 

 

Answer: (b)

 

 

📖 REMINDER: Subtract to find the children count first. Then add children and women for part (b).

 

 

WA1,NHSP,2024,Whole Numbers Operations

12. Shop B had 145 boxes of apples. There were 24 apples in each box. The shop owner packed the apples into bags of 6.
How many bags of 6 apples were there?

 

 

Answer: bags

 

 

📖 REMINDER: First find the total number of apples, then divide by the number per bag. Ensure each bag has exactly 6 apples.

 

 

WA1,NHSP,2024,Whole Numbers Operations

13. A smartphone costs five times as much as a headset. Mrs Lee paid $1,080 for a smartphone and four headsets.
How much did the smartphone cost?

 

 

Answer: $

 

 

📖 REMINDER: Use the unit method. Let the headset cost = 1 unit, then smartphone = 5 units. Form an equation from the total cost.

 

 

WA1,NHSP,2024,Model Drawing/Problem Solving


 

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