1. What is 847 rounded to the nearest ten? A. 840 B. 850 C. 800 D. 900 Check Answer Show Solution Solution Correct: B Look at the digit in the ones place (7). Because 7 is 5 or more, we round the tens digit up from 4 to 5, changing 847 to 850.
2. Which fraction is equivalent to 3/4? A. 6/10 B. 9/12 C. 4/6 D. 2/3 Check Answer Show Solution Solution Correct: B Multiply both numerator and denominator of 3/4 by 3: 3×3=9 and 4×3=12, so 3/4 = 9/12.
3. What is the perimeter of a rectangle that is 7 cm long and 4 cm wide? A. 11 cm B. 22 cm C. 28 cm D. 14 cm Check Answer Show Solution Solution Correct: B Use the perimeter formula P=2×(length+width). P=2×(7+4)=2×11=22 cm.
4. Which decimal is the same as 5/10? A. 0.05 B. 0.5 C. 5.0 D. 0.005 Check Answer Show Solution Solution Correct: B The fraction 5/10 means 5 divided by 10, which equals 0.5.
5. If a book costs $3.75 and you pay with a $5 bill, how much change do you get? A. $1.25 B. $2.25 C. $0.75 D. $2.75 Check Answer Show Solution Solution Correct: A Subtract the cost from the amount paid: $5.00 − $3.75 = $1.25.
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