Unit 1 test review

Rounding

100

Round 1345 to the nearest hundreds 

1300

200

17,865 -> 18,000

What place value rounded 

Thousand 

300

What number do we look at to either round up or down?

The number to the right 

400

55,555 round to the nearest thousand

56,000

500

Round 387,642 to the nearest hundred thousand

400,000

Addition

100

312+142= ______

454

200

1234+1234=

2,468

300

What words mean addition?

Sum   Difference    Times 

SUM

400

Find the sum

1,986,434 + 2,345,678

4,332,112

500

89,768+ 56,789= 

146,557

Subtraction

100

100-34=

66

200

423,804 - 134,669= 

289,135

300

What word means Subtraction?

Sum    Difference   Times 

DIFFERENCE 

400

Find the difference between 441,902 - 312,684=

129,218

500

Estimate the difference:

 32,518- 19,640=

a.) 30,000- 19,000= 11,000

b.) 30,000- 20,000= 10,000

c.) 33,000- 20,000= 13,000

d.) 32,000- 20,000= 12,000

(C) 13,000

Comparing

100

730 __ 530

Greater than (>)

200

300 __ 300

Equal (=)

300

Tell me the numbers less than 143,090

134,245      143,234     176,543     198,909

134,245  143,234

400

435 __ 453

Less than (<)

500

546,___ >546,879: Make this statement true 

Answers may vary: 546,123   546,343 

Place Value

100

2000+300+30+5 write in standard form 

2335

200

439,567 What number is in the ten thousands spot 

30,000

300

356,490 -> 356,000

Thousands 

400

Write two different ways to expand and show 402,637.
Write your answers in the blanks.

402,637 = ________ thousands  ________ tens  7 ones

402,637 = ________ hundreds  ________ ones

1. 402 thousand 63 tens 7 ones 

2. 4026 hundreds 37 ones 

500

three hundred forty two thousand seven hundred twelve; Write it in standard form 

342,712