Guess the Definition
1. what is an Opposites?
Answer:
1. Two numbers located the same distance from zero on the number line but in opposite directions. The opposite of a number is also called its additive inverse.
Add the following integers on number line:
(use number line)
1. 5 + 3=?
2. -2 + ( -7)=?
Answer:
1. = 8
2. = - 9
1. Write the definition of the subtractions in symbols.
Answer:
1. = a - b = a + (-b)
1. What are the three parts of a multiplication problem?
Answer:
1. = factor
factor
product
Divide (easy)
1. -30 divide by (-6)=?
2.-18 divide by 2=?
3. -75 divide by (-25)=?
Answer:
1. = 5
2. = -9
3. = 3
1. What is an Absolute Value?
Answer:
1. A number x is its distance from zero on a number line. It is indicated by the symbol /x/ and read "the absolute value of x".
Add the following numbers without the number line.
1. -2 + (-6)=?
2. -3 + (-9) + (-2)=?
Answer:
1. = -8
2. = -14
1. Write the definition of subtraction in words.
Answer:
1. = a - b plus this opposite of b
Multiply:
1. 4 ( - 3)=?
2. -6 (5)
3. 7 (-1)
Answer:
1. = -12
2. = -30
3. = -7
1. What are the three parts of a division problem?
Answer:
1. Divided
Divisor
Quotient
What are the order of operations?
Answer:
1. Symbols of grouping- evaluate quantities within symbols of grouping first.
Exponents- evaluate a term with an exponent before performing other operations.
Multiplications/Division- Perform these operations last, in order from left to right
Addiction/Subtraction- Perform these operations last, in order from left to right.
Add ( easy)
1. -15 + 9=?
2. -5 + 18=?
3. 24 + (-32)
Answer:
1. = -6
2. = 13
3. = -8
Subtract: (Easy)
1. 4 - (-11)=?
2. -9 - 8=?
3. - 17 - (-28) =?
Answer:
1. = 15
2. = -17
3. = 11
Tell weather the product is positive or negative.
1. 9(-8)=?
2. -5 (-2)=?
3. -4(3)=?
Answer:
1. = negative
2. = positive
3. = negative
Divide:
1. -80 divide by 4=?
2. -42 divide by 7=
3. 100 divide by (-10)=
Answer:
1. = -20
2. = -6
3. = -10
What are the four operations with integers?
Answer:
1. Add, Subtract, Multiply, and divide
Add:
1. -45 + 32=?
2. 31 + (-31)=?
3. 54 + 13 + (-26)=?
Answer:
1. = -13
2. = 0
3. = 41
Subtract:
1. -27 - 38=?
2. - 42 - 82 - (-7)=?
3. 18 - 46 - (-21)
Answer:
1. = -65
2. = -117
3. = -7
Multiply:
1. -6 . 18=?
2. -3 (5) (-4)=?
3. -7 (2) (0) (-5) (3)=?
Answer:
1. = -108
2. = 60
3. = 0
Word problem (bonus) EASY
1. Amy had 600 roses that Jack gave her. She gave 10 people some roses. How many roses does she have now?
Answer:
1. = 60 roses
Write the opposite of each following number.
1. 14
2. -52
Answer:
1. = -14
2. = 52
Word problem (Bonus)
1. A submarine dives to a depth of 650 ft. below the surface of the ocean. Later it climbs 150 ft. before descending an additional 80 ft. Use an integer to represent the depth of the submarine.
Answer:
1. -580 ft.
Word problem (bonus)
1. A bank customer had a balance of $47, on which he wrote a check for $101. What is his new balance?
Answer:
1. -$54
Word problem (bonus)
1. A football team lost 4 yd. on each of two consecutive plays. Use an integer to reflect the result of these two players.
Answer:
1. = - 8 yd
Divide.
1. 500 divide by 4=?
2. 212 divide by 2=?
3. 432 divide by 3=?
Answer.
1. = 125
2. = 106
3. = 144