Primary 3 Maths Weighted Assessment 2 (WA2) – Test 1

3. Find the product of 4 and 9.

Answer:

📖 REMINDER: "Product" means the result of multiplication.

WA2,CH,2024,Multiplication

4. Sarah bought a book which cost $8.25. She gave the cashier a $20 note. How much change did Sarah receive?

Answer:  $

📖 REMINDER: When the cost has cents (like .25) and you're paying with whole dollars, remember to borrow from the dollars column to subtract the cents properly. Always check your answer by adding the cost and change to see if it equals the amount you paid.

WA2,CH,2024,Money

7. Find the product of 7 and 6.

Answer:

📖 REMINDER: The "product" means the result of multiplication. For "the product of 7 and 6," multiply 7 × 6. You can also think of it as 7 groups of 6 or 6 groups of 7.

WA2,CH,2024,Multiplication

8. Maria bought a toy which cost $6.78. She gave the cashier a $20 note. How much change did Maria receive?

Answer: $

📖 REMINDER: When the cost ends in .78 cents and you're paying with $20, remember to borrow carefully. Subtract cents from cents first, then dollars from dollars. A good check: $6.78 + $13.22 should equal exactly $20.

WA2,CH,2024,Money

9. Sarah has 648 marbles. She packs all the marbles equally into 4 boxes. After packing the marbles, how many marbles are left unpacked?

Answer: marbles

📖 REMINDER: When dividing to pack items equally, check if the number is exactly divisible. Find the remainder by dividing the total by the number of boxes. If there's no remainder, then all items are packed with none left over.

WA2,CH,2024,Division Remainder

10. When a number is divided by 7, the quotient is 5 and the remainder is 3. What is the number?

Answer:

📖 REMINDER: To find the original number when given divisor, quotient, and remainder, use the formula: Number = (Divisor × Quotient) + Remainder. Remember that the remainder must always be less than the divisor.

WA2,CH,2024,Division Concepts

11. The bar graph shows the number of Primary 5 pupils who enjoy science. Use the information provided to answer questions 9 and 10.

(a). How many more boys than girls in Class 5C enjoy science?

Answer: pupils

📖 REMINDER: When comparing "how many more" or "how many fewer" in bar graphs, subtract the smaller number from the larger number. Read the values carefully from the bars for each category.

(b). Which 2 classes have the same total number of pupils who enjoy science?

Answer: Class and Class

📖 REMINDER: To find total number of pupils, add boys and girls for each class. Compare these totals to find which two classes have equal totals.

WA2,CH,2024,Data Analysis

12. Lisa had 428 bookmarks. She gave away 68 bookmarks. She packed the rest equally into 8 albums. How many bookmarks did she put into each album?

Answer: bookmarks

📖 REMINDER: For multi-step problems: First subtract to find what remains after giving some away, then divide the remainder equally. Make sure to complete the subtraction before doing the division.

WA2,CH,2024,Multi-Step Word Problems

13. Tom and Jerry had 72 marbles altogether. Tom had 3 times as many marbles as Jerry. Jerry found another 25 marbles. How many marbles did Jerry have in the end?

Answer: marbles

📖 REMINDER: When one person has "X times as many" as another, the total represents (X + 1) parts. Divide the total by (X + 1) to find the smaller amount. Then add any additional items to find the final amount.

WA2,CH,2024,Multi-Step Word Problems