1.
Sarah bought a toy for $24 and a book for $15. If she gave the cashier $50, how much change should she receive?
Correct Answer
C. $11
Explanation
Add the prices of the toy and the book: $24 + $15 = $39. Then, subtract this total from the amount Sarah gave the cashier: $50 - $39 = $11. Therefore, she should receive $11 in change.
2.
A rectangle has a length of 12 cm and a width of 8 cm. What is its area?
Correct Answer
C. 96 cm2
Explanation
The area of a rectangle is calculated by multiplying its length and width.
Area = Length x Width Area = 12 cm x 8 cm Area = 96 cm²
So the answer is 96 cm^2
3.
What is 42 divided by 14?
Correct Answer
A. 3
Explanation
The result of dividing 42 by 14 is 3. This is because 42 is evenly divisible by 14; when you divide 42 (the dividend) by 14 (the divisor), you get 3 (the quotient). This means that 14 fits into 42 exactly 3 times without any remainder, illustrating a basic principle of division. ​​
4.
If a person has 440 pens and 560 pencils, how many more pencils does he have than pens?
Correct Answer
B. 120
Explanation
If a person has 560 pencils and 440 pens, they have 120 more pencils than pens. This is found by subtracting the number of pens from the number of pencils. In other words, if you took away all the pens from the total amount of writing instruments, you would be left with 120 pencils.
5.
What's 6 multiplied by 6?
Correct Answer
D. 36
Explanation
6 multiplied by 6 equals 36. This is because multiplication is repeated addition, and adding 6 together 6 times equals 36. Another way to think about this is if you had 6 groups of 6 items, you would have 36 items in total.
6.
What's 8 - 3.5?
Correct Answer
B. 4.5
Explanation
To find the result of 8 - 3.5, you subtract 3.5 from 8. First, recognize that 3.5 is the same as 3 and 0.5. Subtract 3 from 8 to get 5, and then subtract the remaining 0.5 from 5. This gives you 4.5. So, 8 - 3.5 equals 4.5. This operation demonstrates simple subtraction involving a whole number and a decimal.
7.
7 + 8 + 9 + 10 =
Correct Answer
A. 34
Explanation
7 + 8 + 9 + 10 equals 34. This is the total when you add these four numbers together. Addition is simply combining numbers to get a total sum. In this case, if you had 7 items, 8 items, 9 items, and 10 items, and you combined them all together, you would have 34 items in total.
8.
How much is the total of 667 oranges and 301 bananas?
Correct Answer
B. 968
Explanation
The total of 667 oranges and 301 bananas is 968. This is found by adding the number of oranges and bananas together. If you had 667 oranges and 301 bananas and you put them all together, you would have 968 pieces of fruit.
9.
What's 472 multiplied by 0?
Correct Answer
D. 0
Explanation
Any number multiplied by 0 equals 0. So, 472 multiplied by 0 is also 0. This is because when we multiply any number by 0, we are essentially adding zero copies of that number together, resulting in a total of 0. This is a fundamental rule of multiplication.
10.
Which of these answer choices produces the biggest value?
Correct Answer
C. 700 - 301
Explanation
The problem involves basic arithmetic calculations to find the largest value. First, subtract 78 from 450, which equals 372. Then, multiply 12 by 12 to get 144. Next, subtract 301 from 700, resulting in 399. Finally, add 258 and 107, which gives 365. Comparing all these values, 399 is the highest. So, the option "700 - 301" produces the biggest value among the given choices.