Class 4 | Crystal Curated Grade 4 | Semester 1 | Mathematics | Lesson 1. Revision

1. Write in words.

a) 9342

Ans: Nine thousand three hundred forty two

b) 4380

Ans: Four thousand three hundred eighty.

c) 6712

Ans: Six thousand seven hundred twelve

d) 4039

Ans: Four thousand thirty nine

2. Write in figures.

a) Six thousand sixty-seven

Ans: 6067

b) Eight thousand ninety-two

Ans: 8092

c) Nine thousand five hundred one

Ans: 9501

d) Seven thousand thirty-eight

Ans: 7038

3. Write the expanded form of the following numbers.

a) 4902

Ans: 4000 + 900 + 00 + 2

b) 6789

Ans: 6000 + 700 + 80 + 9

c) 9320

Ans: 9000 + 300 + 20

d) 4012

Ans: 4000 + 000 + 10 + 2

4. Write the standard form.

a) 9 Thousand + 5 Hundreds + 9 Tens + 4 Ones

Ans: 9594

b) 8 Thousand + 4 Tens + 9 Ones

Ans: 8049

c) 4000 + 300 + 30 + 5

Ans: 4335

d) 3000 + 700 + 90

Ans: 3790

5. Fill in the blanks with > or < sign.

a) 7091 ____ 7910

Ans: <

b) 7825 ____ 8258

Ans: <

c) 6097 ____ 6079

Ans: >

d) 5308 ____ 5804

Ans: <

e) 9329 ____ 8732

Ans: >

f) 9475 ____ 9675

Ans: <

6. A. Circle the smallest number

    a) 8031  8132  8103  8321

    Ans: 8031

    b) 5541  5451  5154  5514

    Ans: 5154

    B. Circle the greatest number.

    a) 6536  6356  6563  6365

    Ans: 6563

    b) 8431  8043  8314  8413

    Ans: 8431

7. Arrange the numbers in ascending and descending orders.

    a) 9352 9532 9253 9205

    Ans: ascending - 9205 9253 9352 9532

            descending - 9532 9352 9253 9205

    b) 5736 5398 5839 5963

    Ans: ascending - 5398 5736 5839 5963

            descending - 5963 5839 5736 5398