1. subtract:
a. 14 – 7 – 5
b. (35 – 20) – 3
c. 45 – (23 – 14)
d. 56 – 32 – 5

2. james has established the following monthly budget for himself:

rent . . . . . . . . . . . . . . . . . . . . . . . . . $300
food. . . . . . . . . . . . . . . . . . . . . . . . . $175
entertainment. . . . . . . . . . . . . . . . . . . . . . $125
savings . . . . . . . . . . . . . . . . . . . . . . . . $200
car loan . . . . . . . . . . . . . . . . . . . . . . . . $250
personal needs. . . . . . . . . . . . . . . . . . . . . $ 50
miscellaneous. . . . . . . . . . . . . . . . . . . . . . $ 25
insurance payments. . . . . . . . . . . . . . . . . . . $125

how much does james earn each month? (assume that the budget above accounts for james’s entire monthly income.)

3. regroup the numbers in the following problems, putting the numbers that add up to 10 or a multiple of 10 in parentheses.
a. 2 + 9 + 8
b. 3 + 5 + 4 + 7
c. 4 + 2 + 16
d. 31 + 4 + 9