Integers: Positive and NegativeHarpercollins, 1972 |
Contents
Rewards and Penalties | 4 |
Keeping Score with Integers | 10 |
Picturing Integers as Arrows | 16 |
Copyright | |
4 other sections not shown
Common terms and phrases
add its opposite Adding Integers adding machine addition exercises answer window atom Bennington College checkers put checkers that cancel checkers to show checkers to stand checkers will give coin counting number crease Cut a strip Dollars Dollars Dollars drawings below show Earned Spent edge electrical charge find the integer folded strip head pointing inches wide integer stands Irving Adler Irving and Ruth John Day keep score label larger absolute value means to find minus sign move 2 units move no units negative integer neutrons nucleus number line number of checkers number of dollars number of units one-step addition picture the integers play positive integer protons Reason Why Books rewards and penalties Ruth Adler second player sets of checkers shown slide card slide rule square strip of cardboard subtraction exercise three black checkers three points three red checkers toss total charge total score track window cards winning line zero