Numbers to 1000 (Review 1)

What is the missing number?

200 + ? + 7 = 237

• 3

• 37

• 30

• 307

Answer explanation

Look at the values of each number

237 = 200 + 30 + 7

421 is the same as

• 42 tens 1 one

• 4 tens 21 ones

• 42 hundreds 1 one

• 4 hundred 21 tens

Answer explanation

Answer :

42 tens = 420

So, 42 tens 1 one = 421

In 387, the value of the digit 3 is

• 3

• 30

• 300

• 330

Answer explanation

387 = 300 + 80 + 7

​ (a)   has the smallest value.

• 145
• 154
• 451
• 541

Answer explanation

Compare the place values from the hundreds place

​ ​ (a)   is 30 more than 797

• 827
• 767
• 800
• 794

Answer explanation

797 + 30 = 827

What is the missing number in the number pattern?

627, ​ ​ (a)   , 631, 633, 635

• 629
• 630
• 632
• 635

Answer explanation

The rule is to add 2 to get the next number

I am a 3-digit odd number.

The digit in the hundreds place is even.

The digit in the tens place is 5.

I am number ​ (a)  

• 457
• 250
• 581
• 632

Answer explanation

Odd numbers are numbers that end with 1, 3, 5, 7 or 9

So the only options are 457 or 581

Next, the digit in the tens place is 5.

So the answer is 457

Six hundred and thirty-eight in numeral is ​​ (a)  

• 638
• 608
• 668
• 683