Integers

Integers on a Number Line

Integers on a Number Line

Draw a number line (straight line with arrows at both ends)

Put zero in the middle Numbers to the right of zero are positive

numbers Numbers to the left of zero are negative

numbers (the number right next to 0 is -1, then write to the left by increasing the number)

Integers on a Number Line

Numbers to the left of 0 are negative (the numbers themselves increase, but their value decreases)

Numbers to the right of 0 are positive (the numbers themselves increase, and their value increases also)

“When am I ever going to use this?”

Real life examples – Temperature

Below and above 0 temperatures

– Money Making or losing money

Real life examples– Football

Gaining and losing yards

– Above or below sea level (mountains, water)

Diving in water Climbing a mountain Going in a hot air

balloon, or on a plane

Word problems

– Increase = adding– Decrease = subtracting– Rise = adding– Lost = subtracting– Gain = adding– Loss = subtracting

– Below ground level = subtracting

– Above ground level = adding

– Goes up = adding– Goes down = subtracting– Per = multiply

Key words to for