7th Grade: Quiz on 1-1, 1-2, and 1-3, 1-4, 1-5
1. Estimate. Round to the nearest whole number before you add or subtract.
13.53 + 7.45
2. Estimate. Round to the nearest whole number before you multiply.
14.23 × 5.96
3. Use front-end estimation (make sure you show what you did) to estimate each sum.
8.09 + 12.24
4. Use compatible numbers to estimate each quotient. Please label the compatible numbers.
29.45 ÷ 5.81
5. Find the sum or difference.
30.1115 – .89
6. Find the sum or difference.
6.3567 + 12.3 + 0.2
7. The original price for a ticket to a concert is $60. The tickets go on sale for 44.95. How much would you
save if you bought the tickets on sale?
8. Explain how you would use mental math to find the sum. What is the sum?
26.2 + 23.5 + 3.8
9. In question 9, name a property you used or could have used to find the answer.
10. Find the product.
9.73 × 2.6
11. Using mental math, find each product. Explain the steps taken.
0.5 × 6.3 × 50
12. Find the quotient.
13. Find the quotient.
If peanut butter costs $ 2.20 per jar, how many jars can you buy with $28?
14. Name the property shown.
25.1 × 0 = 0
1-4
1.
Choose an appropriate metric unit of measurement. Explain your choice.
The capacity of a test tube
2.
Choose a reasonable estimate.
Mass of a butterfly
3.
500 mg
500 g
500 kg
Write the number that makes the statement true.
a.
7,800g = ________ ________kg
b.
42.3 cm = _______________m
4. Change the measurement to the given unit.
48 m 3 cm _________________cm
Bonus:
5. Write the metric unit that makes the statement true.
2,043 mg = 2.043______________
1-5 (Pick 1 from 6 through 8)
6.
A farmer raises pigs and chickens. The farmer has 220 animals with a total of 700 legs. How many
pigs does the farmer have?
7.
Your father is 26 years older than your uncle. The product of their ages is 560. How old is your
uncle?
8.
A commuter train leaves for the city every 40 min. The first train leaves at 5:20 a.m. What is the
departure time closest to 2:30 p.m.?