Saxon Math 5 Unit 1-3

What is...

100

inverse operations

what is it when one operation undoes the other one

for example: addition v. subtraction or multiplication v. division.

200

an algorithm

What is a method for solving a problem?

300

addend

What is a number that is added to another number?

400

commutative property

we can choose the order of factors when we multiply or add.

500

quotient

a result obtained by dividing one quantity by another

Addition

100

400+50+300+40

790

200

$640+$152+$749

$1541

300

433+56+q=497

What is q?

q=8

400

if the cost of one computer is $750, how much do 5 computers cost?

$3750

500

3_4+23_=_03

fill in the blanks and complete the equation

364+239=603

Subtraction

100

16-8+4-2+1=

11

200

b-256=56

312

300

19-5-3+5=

16

400

$63.75-$46.88=

$16.87

500

_ _ - _=_ _

Use digits 5,6,7,8,and 9 to complete this subtraction problem

67-8=59

67-9=58

85-6=79

85-9=76

Multiplication

100

12x3

36

200

325x6=

1950

300

5x6+12-2+10-1

49

400

3904x4=

15,616

500

8x90=8x9xn

10

number sense

100

5x5+9(3-1)

43

200

9x2+5-1(8-6)=

21

300

3x3x3-1+9(2x2)

62

400

4x7+20-5x2+9=

47

500

19+2(7-Y)=3Y+13

y=2

19+14-2(2)=3(2)+13

23-4=6+13

19=19