Singapore Math Level 2A & 2B – Review 1: ADDING – SUBTRACTING – NUMBERS 1–1000
Write the following numbers as words on the lines.
1. 375 __________________
2. 919 __________________
Solution:
1. three hundred and seventy-five
2. nine hundred and nineteen
Write the numbers on the lines.
3. two hundred and twelve __________________
4. three hundred and three __________________
Solution:
3. 212
4. 303
5. Arrange these numbers in order. Begin with the largest.
| 313 | 420 | 179 | 402 | 917 |
Solution:
917, 420, 402, 313, 179
6. Arrange these numbers in order. Begin with the smallest.
| 812 | 128 | 182 | 281 | 218 |
Solution-6:
128, 182, 218, 281, 812
Fill in each blank with the correct answer.
7. 10 more than 360 is ________.
8. 50 less than 876 is _______.
9. 536, ______, 496, 476, _______.
Solution (7-8):
7. 10+360 = 370
8. 876-50 = 826
9. 516, 456
Solve the problems below. Show your work.
10.
608
+129
11.
576
+188
12.
154
+365
13.
312
+498
14.
700
-435
15.
328
-109
16.
860
– 389
17.
542
-379
Solution:
10.
608
+129
737
11.
576
+188
764
12.
154
+365
519
13.
312
+498
810
14.
700
-435
265
15.
328
-109
219
16.
860
– 389
471
17.
542
-379
153
Solve the following story problems. Show your work in the space below.
18. The table below shows the number of people who went to the zoo on 3 different days.
| Monday | Tuesday | Wednesday |
| 379 | 686 | 575 |
(a) How many more people went to the zoo on Wednesday than on Monday?
_________ more people went to the zoo on Wednesday than on Monday.
(b) How many fewer people went to the zoo on Monday than on Tuesday?
________ fewer people went to the zoo on Monday than on Tuesday.
Solution:
(a)
| Wednesday | 575 |
| Monday | 379 |
575-379 = 196
196 more people went to the zoo on Wednesday than on Monday.
(b)
| Tuesday | 686 |
| Monday | 379 |
686-379 = 307
307 fewer people went to the zoo on Monday than on Tuesday.
19. Aaron has collected 494 stamps. He wants to collect 1,000 stamps. How many more stamps does Aaron need to collect?
Aaron needs to collect ________ more stamps.
Solution:
Aaron has collected stamps = 494
Aaron needs to collect to make 1000 stamps = 1000 – 497 = 506
Answer: Aaron needs to collect 506 more stamps.
20. Jazmin sold 360 flowers on Friday. She sold 265 flowers on Saturday. How many flowers did Jaszmin sell on both days (Friday+Saturday)?
Jazmin sold _______ Singapore Math flowers on both days (Friday + Saturday).
Solution:
Jazmin sold flowers on Friday = 360
Jazmin sold flowers on Saturday = 265
Jazmin sold flowers on both days = 360+265 = 625
Answer: Jazmin sold 625 Singapore Math flowers on both days.
