Name______________________________ Date_______________
Independent Practice
1. Derman opens a checking account on June 14. He records his check withdrawals and
deposits, but he does not calculate his balance for a week. On June 20, the bank tells Derman
that he has overdrawn his account.
Number
Date
Purpose
Payment
Deposit
Balance
6/14
Deposit
$100
001
6/16
Mulberry Comics
$40
002
6/18
Jake’s Joke Shop
$60
003
6/18
Spica’s Sports Equip.
$120
004
6/19
On the Edge Books
$50
a. when did Derman first overdraw his account?
b. How much money does he need to deposit to reach a positive balance?
c. How could Derman have avoided overdrawing his account?
2. In Detroit, MI, at 10 A.M., the temperature is 28F. It drops 14F by 2 P.M. Then suddenly, a
cold front causes the temperature to drop 50F in an hour. By 4 P.M., the temperature
increase 25F and stays the same for the rest of the day.
a. What is the coldest temperature during the day?
b. What is the temperature at the end of the day?
3. Start with each number given. Add 2, subtract 7, add 11, and subtract 15. Write each ending
number.
Starting Number
12
23
6
8
Ending Number
Write a simple recipe explaining how to get from the starting number to the ending number.
If the ending number is -4, what is the starting number?
Name______________________________ Date_______________
Homework
1. Start with the number given. For each number, subtract 1, add 5, add 2, and subtract 13.
Write each ending number.
a. 10.
b. 6
c. 22
d. 2
e. Write a simpler recipe explaining how to get from the starting number to the ending
number.
2. Maria plays a board game. On each turn, she moves her game piece forward or backward a
number of spaces. In her first four moves, she moves forward 2 spaces, backward 3 spaces,
backward 2 spaces, and forward 4 spaces. What is the ending position of Maria’s game piece
in relation to its starting position after all four moves?
3. Sasha says, “When I drew two diagonals in the addition table, I notice something interesting.
On the first line, all the sums are 8. On the second line, all the sums are 17. It seems that on
any diagonal line, the sums are the same. I can’t explain why.” Explain the pattern that Sasha
notices.
4. Derman explains, “Draw a line through a row of numbers in the addition table. When you
move up 1 row and left 1 column, you find the same row of numbers.” Describe the pattern
that Derman notices.
5. Find each differernce:
a. 313-189
b. 189-313
c. 1000 – 5
e. 760 – 88
f. 88 – 760
g. When you reverse the summands in subtraction, how does the result change?
d. 5 – 1000
Name______________________________ Date_______________
6. Find each difference. Record the last digit of each difference.
a. 62 – 38
b. 62 – 48
e. 62 – 78
f. 62 – 88
g. Identify a pattern in the last digits of the differences.
c. 62 – 58
d. 62 – 68