Singapore Math Level 2A & 2B - Unit 2: ADDING AND SUBTRACTING | NUMBERS 1–1000 | 32 Questions
Unit 2: ADDING AND SUBTRACTING - NUMBERS 1–1000
This is Unit 2, here Adding and Subtracting are described where the numbers from 1 to 1000 are accepted. Questions and solutions of Singapore Math Level 2A & 2B textbook are added here sequentially. Hope you can learn addition and subtraction from here and increase your knowledge. Let's start with some examples-
Examples: Unit 2, Adding & Subtracting No 1-1000
+ 121
----------
437
2. 625
- 313
---------
312
3. 1 1
483
+398
---------
881
Solve the addition problems below.
+ 214
-----------
2. 312
+ 481
-----------
3. 732
+ 145
-----------
4. 201
+ 283
-----------
5. 821
+ 163
-----------
Solution:
+ 214
-----------
357
2. 312
+ 481
-----------
793
3. 732
+ 145
-----------
877
4. 201
+ 283
-----------
484
5. 821
+ 163
-----------
984
Solve the subtraction problems below.
- 234
-----------
7. 932
- 121
-----------
8. 736
- 204
-----------
9. 375
- 152
-----------
10. 859
- 607
-----------
Solution:
6. 569
- 234
-----------
335
7. 932
- 121
-----------
811
8. 736
- 204
-----------
532
9. 375
- 152
-----------
223
10. 859
- 607
-----------
252
Solve the following addition problems by regrouping.
+109
------------
12. 505
+295
--------------
13. 737
+129
------------
14. 256
+380
-------------
15. 462
+208
-------------
16. 397
+546
------------
Solution:
11. 135
+109
------------
244
12. 505
+295
--------------
800
13. 737
+129
------------
866
14. 256
+380
-------------
636
15. 462
+208
-------------
670
16. 397
+546
------------
943
Solve the following subtraction problems by regrouping.
- 174
-------------
18. 971
-369
-------------
19. 400
- 205
-------------
20. 632
- 171
--------------
21. 412
- 124
-------------
22. 500
- 178
------------
23. 800
- 280
------------
24. 980
- 555
------------
Solution:
17. 353
- 174
-------------
179
18. 971
-369
-------------
602
19. 400
- 205
-------------
195
20. 632
- 171
--------------
461
21. 412
- 124
-------------
288
22. 500
- 178
------------
322
23. 800
- 280
------------
520
24. 980
- 555
------------
425
25. Match each balloon to the correct tag.
Solution-25:
Fill in each empty box with a +, – or = sign.
26.
73 | 42 | 115 | ||
70 | 30 | 40 | ||
3 | 72 | 75 |
Solution-26:
73 | + | 42 | = | 115 |
- | + | - | ||
70 | - | 30 | = | 40 |
= | = | |||
3 | + | 72 | = | 75 |
27.
231 | 124 | 355 | ||
115 | 96 | 19 | ||
116 | 220 | 336 |
Solution-27:
231 | + | 124 | = | 355 |
- | + | - | ||
115 | - | 96 | = | 19 |
= | = | = | ||
116 | + | 220 | = | 336 |
Solve the following story problems. Show your work in the space below.
28. Lena collects 389 stickers. Anne collects 317 more stickers than Lena. How many stickers does Anne collect?
Anne collects ________ stickers.
Solution-28:
Lena collects 389 stickers;
389+317 = 706;
Anne collects 706 stickers.
29. Tom has 416 bottle caps. John has 29 bottle caps fewer than Tom. How many bottle caps does John have?
John has ______ bottle caps.
Solution-29:
Tom has 416 bottle caps;
416 – 29 = 387;
John has 387 bottle caps.
30. Mr. Abdul sold 586 roses on Monday. He sold 237 roses on Tuesday. How many roses did he sell altogether?
He sold ______ roses altogether.
Solution-30:
Monday | Sunday |
586 | 237 |
? |
586 + 237 = 823
He sold 823 roses altogether.
31. There were 416 (four-hundred-sixteen) visitors to a museum on Saturday. There were 555 (five-hundred-fifty-five) visitors to the museum on Sunday. How many visitors were at the museum on both days (Saturday & Sunday)?
________ visitors were at the museum on both days (Saturday & Sunday).
Solution-31:
Saturday | Sunday |
416 | 555 |
? |
416 + 555 = 971
971 visitors were at the museum on both days (Saturday & Sunday).
32. Marcus and Jack spent $837 at a computer fair. If Jack spent $469, how much did Marcus spend?
Marcus spent $________
Solution-32:
Marcus | Jack |
? | $469 |
$837 |
$837 - $469 = $368
Marcus spent $368.