Chapter 7 — practice examination
Semester 4A · Chapter 7 · 33 questions
A student calculates 3/6 + 2/6 and writes 5/12. Identify the mistake and give the correct simplified answer.
A student calculates 2/5 + 1/2 and writes 3/7. Identify the mistake and give the correct simplified answer.
A student calculates 1 1/4 + 1/2 and writes 1 2/6. Identify the mistake and give the correct simplified answer.
A student calculates 1 1/2 + 2 2/3 and writes 3 3/5. Identify the mistake and give the correct simplified answer.
A student calculates 5 1/4 − 3/4 and writes 5 2/4. Identify the mistake and give the correct simplified answer.
A student calculates 3 1/4 − 1 3/4 and writes 2 2/4. Identify the mistake and give the correct simplified answer.
Calculate 1/2 − 1/2. Simplify.
Calculate 5 5/6 + 2/3.
Calculate 1 1/4 + 3 1/2.
Calculate 4 5/8 − 3/4.
Calculate 5 2/3 − 4 2/3.
Calculate 4/5 + 9/10. Simplify.
Calculate 3 4/5 + 2/5.
Calculate 5 5/6 + 1 1/6.
Calculate 2 3/8 − 1/4.
Calculate 5 1/4 − 4 1/2.
Calculate 5/6 + 5/6. Simplify.
Calculate 5/6 + 1/2. Simplify.
Calculate 3 5/8 + 2 1/2.
Calculate 5 1/4 − 5/6.
Calculate 1 1/2 − 1 1/2.
Calculate 5/6 + 1/6. Simplify.
Calculate 1/2 + 1/2. Simplify.
Calculate 5 3/4 + 1/2.
Calculate 1 1/10 − 3/5.
Calculate 5 5/6 − 5 1/3.
Calculate 7/8 + 3/8. Simplify.
A student calculates 2/6 + 2/6 and writes 4/12. Identify the mistake and give the correct simplified answer.
A student calculates 1/2 + 1/3 and writes 2/5. Identify the mistake and give the correct simplified answer.
A student calculates 4 1/4 + 1/2 and writes 4 2/6. Identify the mistake and give the correct simplified answer.
A student calculates 3 1/2 + 2 2/3 and writes 5 3/5. Identify the mistake and give the correct simplified answer.
A student calculates 2 1/4 − 3/4 and writes 2 2/4. Identify the mistake and give the correct simplified answer.
A student calculates 4 1/4 − 2 3/4 and writes 2 2/4. Identify the mistake and give the correct simplified answer.