Divide the number in C by 10.

Slides:

Advertisements

Similar presentations

6.4 Addition, Subtraction, and more multiplication.

Advertisements

Addition & Subtraction Add Plus More than Subtract Difference Take away Altogether Minus Less than +-

INTEGERS: adding, subtracting, multiplying, and dividing

Solving 2-step equations ax + b = c. Keep it balanced Just like when solving a one- step equation keep it balanced. Just like when solving a one- step.

 To add numbers in scientific notation: 1) Add the constants 2) Keep the exponent the same  Example: (2.1 x 10 5 ) + (3.2 x 10 5 ) = ( ) x 10.

One step equations Add Subtract Multiply Divide By: Jennifer Del-Castillo John F. Kennedy Middle School.

Solve the equation -3v = -21 Multiply or Divide? 1.

Inverse Operations ExpressionInverse Operation How do you get the variable by itself? x + 5 x x x ÷ 20 x3x3.

Integers All whole numbers and their opposites including the number 0.

Operations with Integers

SOLUTION EXAMPLE 2 Divide a polynomial by a binomial Divide x 2 + 2x – 3 by x – 1. STEP 1 Divide the first term of x 2 + 2x – 3 by the first term of x.

Evaluating a Variable Expression To evaluate a variable expression:

Divide. Evaluate power – 3 = – 3 EXAMPLE – 3 = 3 2 – – 3 = 6 – 3 Multiply. Evaluate expressions Multiply and divide from.

PROPERTIES OF EXPONENTS

Exponents Power base exponent means 3 factors of 5 or 5 x 5 x 5.

Rules of Exponents. Introduction Product Rule—when multiplying with the same base, add exponents. Quotient Rule—when dividing with the same base, subtract.

8 th Grade Math Chapter 2 Review. Chapter 2 Review 1)Use >, < or = to compare a) -7 < 7 b) -3 < -1 □ □

Divide a polynomial by a binomial

 Exponents MUST BE THE SAME before you can add/subtract 2 numbers written in scientific notation.  Example 1: 7.35 x 10 2 m x 10 2 m = ? › Are.

Jeopardy Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy Add fractions Subtract Fractions Multiply Fractions Divide.

Jeopardy Solving Equations Add and Subtract Multiply and Divide Multi-Step Variables on each side Grouping Symbols $100 $200 $300 $400 $500 $100 $200.

One step equations Add Subtract Multiply Divide  When we solve an equation, our goal is to isolate our variable by using our inverse operations.  What.

Think of a number Multiply it by 2 Add 8 Divide by 2 Subtract the number you started with What is your answer? Mind reading.

Dividing a Decimal by a Decimal. Dividing Whole Numbers 12 ÷ 2 = 120 ÷ 20 = 1200 ÷ 200 = ÷ 2000 = Multiply both 12 and 2 by 10 Multiply.

Solving Equations Inverse operations. INVERSE = Opposite If I am solving an equation using inverses operations, I am solving it using opposite signs.

EXAMPLE 1 Add and subtract matrices

I’m Thinking of a Number

Addition Multiplication Subtraction Division. 1.If the signs are the same, add the numbers and keep the same sign = = If the.

CHAPTER 4 Negative Numbers. ADDITION AND SUBTRACTION USING NEGATIVE NUMBERS A number line is very useful when you have to do additions or subtractions.

Unit 1 Rational Numbers Integers.

Math in the Workplace Negative numbers.

Solving 2 step equations. Two step equations have addition or subtraction and multiply or divide 3x + 1 = 10 3x + 1 = 10 4y + 2 = 10 4y + 2 = 10 2b +

Algebra with Whole Numbers Algebraic Notation. Simplify.

1-2 Order of Operations Objective: Use the order of operations to evaluate expressions.

ADDING AND SUBTRACTING MULTIPLYING AND DIVIDING REAL NUMBERS.

Order of Operations ~ Use Order of Operations.

ORDER OF OPERATIONS. 1.Perform any operations with grouping symbols. 2.Simplify powers. 3.Multiply and divide in order from left to right. 4.Add and subtract.

Simplify MultiplyDivide Add & Subtract Proportion.

The Complex Number System. 1. Write each expression as a pure imaginary number. (similar to p.537 #26)

Jeopardy Solving Equations

Absolute Value Equations

Algebra 1 Mini-Lessons Which answer choice is equivalent to the expression below? MA.912.A.6.2: Add, subtract, multiply, and divide radical expressions.

Equations Pre/Post Test

Multiply the following rational expressions. Show work!

Multiply or divide as usual.

3rd Quarter Benchmark Study Guide Extended. 3rd Quarter Benchmark Study Guide Extended.

Knowing your math operation terms

Algebraic Inequalities

Multiplying and Dividing Signed Numbers

Problem-Solving Steps Solve Problem-Solving Steps Solve

Operations with Integers

Addition & Subtraction

The Integer Song.

= = = = = Add like an Egyptian

Perform Function Operations and Composition

Add and Subtract Mixed Numbers

To get y, multiply x by 3 then add 2 To get y, multiply x by negative ½ then add 2 To get y, multiply x by 2 then subtract 3 To get y, multiply x.

Add or Subtract? x =.

Add, Subtract, Divide and Multiply Integers

Multiplying and Dividing in Scientific Notation

Multiplying and Dividing in Scientific Notation

10.7 Add, Subtract, Multiply, or Divide in Sc. Notation

Percents and Decimals Objective:

= x 2 = = 20 4 x 5 = = 16 4 x 4 = = 18 6 x 3 = = 12 2 x 6 = 12.

Operations with Integers

V Easy Brain Trainer START x 8 halve it x 6 ANSWER 240.

Algebra with Whole Numbers

Review of basic operations and vocabulary

Math is Magic!!!! Everyone pick a number – any number you want!

Presentation transcript:

Divide the number in C by 10. 2 5 9 10 12 D 14 35 63 70 84 Divide the number in C by 10. C 20 40 70 80 90 D 2 4 7 8 9 Add 20 to the number in C. C 1 3 5 7 8 D 100 300 500 700 800 Multiply the number in C by 7. C 5 15 20 45 55 D 1 3 4 9 11 Multiply the number in C by 100. C D 5 25 6 26 10 30 20 40 35 55 C D 8 2 12 6 20 14 36 30 45 39 Divide the number in C by 5. Subtract 6 from the number in C.

Answer Key Multiply the number in C by 7. 2 5 9 10 12 D 14 35 63 70 84 Multiply the number in C by 7. C 20 40 70 80 90 D 2 4 7 8 9 Divide the number in C by 10. C 1 3 5 7 8 D 100 300 500 700 800 Multiply the number in C by 100. C 5 15 20 45 55 D 1 3 4 9 11 Divide the number in C by 5. C D 8 2 12 6 20 14 36 30 45 39 C D 5 25 6 26 10 30 20 40 35 55 Add 20 to the number in C. Subtract 6 from the number in C.