Singapore Math Level 2A & 2B - Unit 1: NUMBERS 1– 1000; Total 51 Questions
Unit 1: NUMBERS 1– 1,000
Here, all the questions and answers of Unit 1 of Singapore Math Level 2A & 2B have been included where we will learn about writing in words, writing in numbers, filling in the blanks, addition, subtraction, small to large, large to small based on NUMBERS 1– 1000. So let's move on-
Examples 1-6:
1. Write 909 in words.
2. In 285, which digit is in the tens place?
3. In 704, in which place is the digit 4?
4. Fill in the blank with greater or smaller.
530 is __________ than 503.
5. 50 less than 955 is ______.
6. Fill in the blanks (missing numbers) in the number pattern.
410, 430, _____, _____, 490, 510
Answer:
1. nine hundred and nine
2. 8
3. ones
4. greater
5. 905
6. 450, 470
Count the squares, and write the correct numbers on the lines.
Answer:
1. 4 hundreds 2 tens 5 ones = 425
2. 3 hundreds 8 tens 7 ones = 387
3. 5 hundreds 3 tens = 530
4. 8 hundreds 7 ones = 807
5. 10 hundreds = 1000
Write the following numbers as words on the lines.
6. 760__________
7. 378___________
8. 456___________
9. 202___________
10. 1,000___________
Answer:
6. seven hundred and sixty
7. hree hundred and seventy-eight
8. four hundred and fifty-six
9. two hundred and two
10. one thousand
Write the numbers on the lines.
11. five hundred and sixty-two ___________
12. seven hundred and seventy-nine ___________
13. one hundred and ten ___________
14. three hundred and fifty-eight ___________
15. nine hundred and seven ___________
Answer:
11. 562
12. 779
13. 110
14. 358
15. 907
Fill in each blank with the correct answer.
16. 825 = ___________ hundreds ___________ tens ___________ ones
17. 630 =___________ hundreds ___________ tens ___________ ones
18. 705 =___________ hundreds ___________ tens ___________ ones
19. 459 =___________ hundreds ___________ tens ___________ ones
20. 1,000 =___________ hundreds ___________ tens ___________ ones
21. In 671, the digit 7 is in the _________ place.
22. In 415, the digit 4 is in the _________ place.
23. In 567, the digit 5 is in the _________ place.
24. In 928, the digit _________ is in the hundreds place.
25. In 873, the digit _________ is in the ones place.
26. In 609, the digit _________ is in the tens place.
Answer:
16. 8, 2, 5
17. 6, 3, 0
18. 7, 0, 5
19. 4, 5, 9
20. 10, 0, 0
21. tens
22. hundreds
23. hundreds
24. 9
25. 3
26. 0
Fill in each blank with smaller or greater.
27. 400 is _________ than 40.
28. 926 is _________ than 962.
29. 370 is _________ than 730.
30. 805 is _________ than 580.
31. 235 is _________ than 352.
Answer:
27. greater
28. smaller
29. smaller
30. greater
31. smaller
Arrange these numbers in order. Begin with the smallest.
32. 397 379 973 937
33. 192 129 319 219
34. 715 571 751 511
35. 163 116 316 313
36. 404 434 443 344
Answer:
32. 379, 397, 937, 973
33. 129, 192, 219, 319
34. 511, 571, 715, 751
35. 116, 163, 313, 316
36. 344, 404, 434, 443
Arrange these numbers in order. Begin with the largest.
37. 570 705 507 750
38. 314 413 134 341
39. 289 960 187 517 608
40. 320 190 857 220 456
41. 927 279 727 970 290
Answer:
37. 750, 705, 570, 507
38. 413, 341, 314, 134
39. 960, 608, 517, 289, 187
40. 857, 456, 320, 220, 190
41. 970, 927, 727, 290, 279
Fill in each blank with the correct answer.
42. 10 more than 560 is ________.
43. 20 less than 680 is ________.
44. ________ is 100 more than 778.
45. ________ is 200 less than 695.
46. ________ is 5 less than 279.
Answer:
42. 10 + 560 = 570
43. 680 – 20 = 660
44. 100 + 778 = 878
45. 695 – 200 = 495
46. 279 – 5 = 274
Complete the number patterns.
47. 280, 290, ________, ________, 320
48. 970, 870, 770, ________, ________
49. 760, ________, 800, 820, ________
50. 430, 460, ________, 820, ________
51. 430, 460, ________, ________, 550
Answer:
47. 300, 310
Note:
290 – 280 = 10
290 + 10 = 300
300 + 10 = 310
48. 670, 570
Note:
970 – 870 = 100
770 – 100 = 670
670 – 100 = 570
49. 780, 840
Note:
820 – 800 = 20
760 + 20 = 780
820 + 20 = 840
50. 490, 520
Note:
460 – 430 = 30
460 + 30 = 490
490 + 30 = 520
51. 450, 550
Note:
750 – 650 = 100
650 – 100 = 550
550 – 100 = 450
Also:
Math Solution Table of Singapore Math 2A & 2B