000200010271687168_CH10_p097-102.pdf 5 14/11/12 11:48 PM
Name
Class
Additional Practice
Date
Lessons 1.12 and 1.13
For Exercises 1–3, find each sum. Do not use a calculator.
1. 2131 3424
2. 7654 2222
3. 1571 5212
4. The plans for a garden show the dimensions as 8 yards long and 5 yards
wide. The actual garden is 5 feet longer and 2 feet narrower than the plans
show. Find the actual length and width of the garden. Give your answers
in yards and in feet.
5. Find the sum 12 14 15 16 without a calculator.
For Exercises 6–8, evaluate the expression. Do not use a calculator.
6. 36 a 12 13 14 16 b
1 1b
7. 100 a 12 15 20
25
8. 30 a 12 13 15 16 b
For Exercises 9–12, find three distinct fractions having a sum that equals
each number given.
10. 4
9. 2
11. 12
12. 0
For Exercises 13–15, find each sum. Write the result in lowest terms.
1 1 1 1
13. 100
200
300
600
1 1 1 1
14. 15
45
30
90
1 1 1 1
15. 11
22
33
66
16. Describe the pattern that you used to find the results for Exercises 13–15.
CME Project • Algebra 1 Common Core Teaching Resources
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