Counting in 1s, 10s, and 100s: Master Number Sense and Place Value

Question 1

When counting in 100s, we add 100 each time. If we start at 300, what's the next number?

Accepted Answer

400

Answer

200

Answer

500

Question 2

Let's compare these numbers! Which number is the biggest?

Accepted Answer

342

Answer

234

Answer

243

Answer

324

Question 3

Let's count down in hundreds again! Which number is 100 less than 890?

Accepted Answer

780

Answer

790

Answer

880

Answer

890

Question 4

When counting in 100s, we notice a pattern. How do the numbers change?

Accepted Answer

They increase by 100.

Answer

They increase by 1.

Answer

They decrease by 100.

Question 5

Which number is 10 less than 230?

Accepted Answer

210

Answer

240

Answer

220

Answer

200

Question 6

Which number is 100 less than 345?

Accepted Answer

245

Answer

335

Answer

445

Answer

545

Question 7

Which of these represents 750?

Accepted Answer

7 hundreds and 5 tens

Answer

7 tens and 5 ones

Answer

7 hundreds and 5 ones

Answer

75 tens

Question 8

Start at 495. Count forward 5 twice. What number do you reach?

Accepted Answer

515

Answer

500

Answer

505

Answer

510

Question 9

What number should come after 100, 200 in the sequence?

Accepted Answer

300

Answer

250

Answer

350

Answer

450

Question 10

What number is 100 more than 357?

Accepted Answer

457

Answer

257

Answer

1057

Answer

157

Question 11

Which number is the smallest?

Accepted Answer

198

Answer

245

Answer

302

Answer

201

Question 12

How many ones are there in 543?

Accepted Answer

3

Answer

5

Answer

4

Answer

13

Question 13

Which number is 200 less than 567?

Accepted Answer

367

Answer

767

Answer

267

Answer

167

Question 14

In the number 572, what is the value of the digit 5?

Accepted Answer

50

Answer

500

Answer

5

Question 15

Which number is in between 600 and 700?

Accepted Answer

605

Answer

599

Answer

701

Question 16

Starting at 20, count in 10s up to 60:

Accepted Answer

20, 30, 40, 50, 60

Answer

20, 30, 40, 60, 70

Answer

20, 25, 30, 35, 60

Question 17

Which of these numbers is the biggest?

Accepted Answer

401

Answer

345

Answer

299

Question 18

In the pattern 10, 20, ___, 40, 50, what is the missing number?

Accepted Answer

30

Answer

25

Answer

35

Question 19

Add the numbers 234 and 456 together:

Accepted Answer

690

Answer

680

Answer

700

Question 20

What number comes after 110 in this sequence: 100, 110, ___, 130?

Accepted Answer

120

Answer

115

Answer

125

Answer

135

Question 21

In the number 234, how many hundreds, tens, and ones are there?

Accepted Answer

2 hundreds, 3 tens, 4 ones

Answer

2 hundreds, 4 tens, 3 ones

Answer

3 hundreds, 2 tens, 4 ones

Answer

3 hundreds, 4 tens, 2 ones

Question 22

Which number is the largest?

Accepted Answer

675

Answer

567

Answer

475

Question 23

What is the value of the underlined digit in the number 785?

Accepted Answer

70

Answer

80

Answer

50

Question 24

How many 10s are there in the number 450?

Accepted Answer

4

Answer

5

Answer

45

Question 25

Which of the following is a multiple of 10?

Accepted Answer

30

Answer

24

Answer

45

Question 26

Let's count in 10s, starting from 30. What comes next?

Accepted Answer

30, 40, 50, 60

Answer

40, 50, 60, 70

Answer

20, 30, 40, 50

Answer

40, 60, 80, 100

Question 27

If you have 25 tens, what is the total value?

Accepted Answer

2500

Answer

250

Answer

25000

Answer

250000

Question 28

Which number shows 4 hundreds and 7 tens?

Accepted Answer

470

Answer

47

Answer

74

Answer

740

Question 29

What number is in the middle of 200 and 400?

Accepted Answer

300

Answer

250

Answer

350

Answer

400

Question 30

How many hundreds, tens, and ones are in the number 345?

Accepted Answer

3 hundreds, 4 tens, 5 ones

Answer

3 hundreds, 4 tens, 0 ones

Answer

3 hundreds, 5 tens, 4 ones

Answer

4 hundreds, 3 tens, 5 ones

Question 31

Which number is 100 more than 234?

Accepted Answer

344

Answer

134

Answer

334

Answer

244

Question 32

What is the missing number in the sequence: 300, 310, ___, 330?

Accepted Answer

320

Answer

315

Answer

325

Answer

335

Question 33

Which number is the smallest?

Accepted Answer

567

Answer

576

Answer

675

Answer

765

Question 34

How many hundreds, tens, and ones are there in the number 678?

Accepted Answer

6 hundreds, 7 tens, 8 ones

Answer

6 hundreds, 8 tens, 7 ones

Answer

7 hundreds, 6 tens, 8 ones

Answer

7 hundreds, 8 tens, 6 ones

Question 35

How many tens and ones are there in the number 234?

Accepted Answer

3 tens, 24 ones

Answer

2 tens, 34 ones

Answer

2 tens, 43 ones

Answer

3 tens, 42 ones

Question 36

Count in 10s from 20 to 70. Which of the following shows the correct sequence?

Accepted Answer

20, 30, 40, 50, 60, 70

Answer

20, 21, 22, 23, 24, 25

Answer

10, 20, 30, 40, 50, 60

Question 37

What number is 100 more than 345?

Accepted Answer

545

Answer

245

Answer

445

Question 38

Which number is the smallest?

Accepted Answer

356

Answer

365

Answer

374

Question 39

What is the number that comes before 678?

Accepted Answer

677

Answer

679

Answer

687

Question 40

Which of the following shows an example of counting in 10s?

Accepted Answer

5, 10, 15, 20

Answer

7, 14, 21, 28

Answer

2, 4, 6, 8

Question 41

Which number is the largest?

Accepted Answer

540

Answer

345

Answer

405

Answer

450

Question 42

What is the missing number in the following sequence: 200, 210, 220, ___, 240

Accepted Answer

230

Answer

225

Answer

235

Answer

245

Question 43

How many hundreds are there in 700?

Accepted Answer

7

Answer

6

Answer

60

Answer

70

Question 44

Which of the following is the smallest 3-digit number?

Accepted Answer

100

Answer

123

Answer

150

Answer

200

Question 45

How many hundreds and tens are there in 450?

Accepted Answer

4 hundreds, 5 tens

Answer

5 hundreds, 4 tens

Answer

4 hundreds, 4 tens

Answer

5 hundreds, 5 tens

Question 46

What comes after the number 359 when counting by ones?

Accepted Answer

360

Answer

358

Answer

361

Answer

400

Question 47

If you start at 100 and count by hundreds, what number comes next?

Accepted Answer

200

Answer

110

Answer

150

Answer

101

Question 48

What number is the same as 3 hundreds and 5 tens?

Accepted Answer

350

Answer

305

Answer

35

Answer

3005

Question 49

There are 100 marbles in a jar. You take out 30 marbles. How many marbles are left?

Accepted Answer

70

Answer

103

Answer

130

Answer

30

Question 50

If you start at 300 and count by hundreds, what number comes after 700?

Accepted Answer

800

Answer

710

Answer

600

Answer

900

Question 51

A school has 300 children. If 100 children are in Year 3, how many children are in other years?

Accepted Answer

200

Answer

100

Answer

400

Answer

300