Test: Algebra - Primary 2 MCQ

Paul had $100 and he spent half of that money on buying a pair of shoes. Half of $100 is $50. Therefore, Paul now has $50 remaining.

The sum of 20 + 20 + 20 + 10 + 10 is 80.
You can calculate this sum by adding each number individually:
20 + 20 + 20 = 60
60 + 10 = 70
70 + 10 = 80
Therefore, the total sum of 20 + 20 + 20 + 10 + 10 is 80.

Ascending order arranges numbers from the smallest to the largest. To order the numbers 15, 32, 5, 27, and 10 correctly, you begin by identifying the smallest number, which is 5. Then, you sequentially find the next smallest numbers, resulting in the order of 10, 15, 27, and finally, 32, which is the largest number in this sequence. This method ensures that each number is listed in increasing magnitude, making option A (5, 10, 15, 27, 32) the correct sequence in the multiple-choice question provided. This systematic approach is essential for organizing data clearly and is commonly used in mathematical operations and data analysis.

The series follows a pattern where 100 is added to each number. The first digit increases by 1 and the last two digits remain the same. Therefore, the next number in the series would have a first digit of 2, the last two digits of 31, and a middle digit that increases by 1, resulting in 2531.

The numbers in the sequence 5, 10, 15, ____, 25 are increasing by 5 each time. So, continuing this pattern:

[15 + 5 = 20]

Therefore, the number that fits in the blank is 20. The sequence is 5, 10, 15, 20, 25.

If one pen costs $2, then the cost of three pens would be calculated by multiplying the cost of one pen by the number of pens:
3 pens x $2 per pen = $6
Thus, three pens would cost $6.

The correct answer is 45 because when you multiply 5 by 9, you get the product of 45.

The man bought a total of:
- 3 oranges
- 4 apples
- 2 bananas
To find the total number of fruits, you simply add these amounts together:
[ 3 + 4 + 2 = 9 ]
Therefore, the man bought 9 fruits in total.

Since the question states that the man puts an even number of candies in the jar, the answer must also be an even number. Among the given options, only 900 is an even number, so it is the correct answer.

Sam initially had 342 coins. After spending 2 coins, the calculation would be 342 - 2, resulting in 340 coins. Therefore, Sam now has 340 coins remaining. This subtraction reflects the coins he spent, and the remaining quantity accurately represents the total number of coins he possesses.