iLearn Checkpoint 1- Math

Numbers in Standard & Expanded Form

100

This is the expanded form of 406,203.

400,000 + 6,000 + 200 + 3

200

Which number is written as 700,000 + 40,000 + 8,000 + 900 + 5?

748,905

300

Show sixty-five thousand, four hundred two in standard form.

65,402

400

Write 892,016 in expanded form.

800,000 + 90,000 + 2,000 + 0 + 10 + 6

500

Which number is written as 900,000 + 50,000 + 3,000 + 600 + 20 + 1?

953,621

Rounding Whole Numbers

100

Round 4,826 to the nearest ten.

4,830

200

Round 67,891 to the nearest hundred.

67,900

300

Round 325,478 to the nearest thousand.

325,000

400

Round 951,243 to the nearest ten thousand.

950,000

500

I am thinking of a number. When rounded to the nearest thousand, it is 7,000. When it is rounded to the nearest hundred, it is 6,900. What number could I be thinking of?

Any number between 6,850 and 6,949.

Multiplication

100

23 × 4

92

200

315x2

630

300

462x3

1,386

400

47x26

1,222

500

324x48

15,552

Factors & Multiples

100

Name two multiples of 7.

7, 14, 21, 28, etc...

200

Name all of the factors of 12.

1, 2, 3, 4, 6, 12

300

What is the smallest multiple that 6 and 8 have the same? (Also called the least common multiple)

24

400

What is the biggest factor that 18 and 24 share? (Also called the greatest common factor.)

6

500

True or False: 49 is a multiple of 6.

False

Multiplication Properties

100

Which property shows 6x1=6?

a) identity property

b)commutative property

c)distributive property

a) identity property

200

Which property is shown: 4x9=9x4

a) identity property

b) commutative property

c) distributive property

b) commutative property

300

Which property is shown: 134x0=0

a) identity property

b) commutative property

c) distributive property

d) zero property

d) zero property

400

Which property is shown: 15 x 4 = (10x4) + (5x4)

a) identity property

b) commutative property

c) distributive property

c) distributive property

500

45 x 6 = 6 x ____

45