Addition Quiz
Questions: 16 · 10 minutes
1. When 198 + 403 is estimated by rounding each addend to the nearest hundred, what is the estimate?
500
800
700
600
2. Which equation shows the associative property applied to 25 + (16 + 4) while keeping the same three addends?
(25 + 16) + 4 = 45
25 + 20 = 45
(25 + 4) + 16 = 45
25 + (16 − 4) = 37
3. What is 2.75 + 1.6?
3.35
4.15
4.35
4.41
4. A library received 125 books on Monday, 76 on Tuesday, and 24 on Wednesday. How many books did it receive in total?
201 books
215 books
224 books
225 books
5. A player begins a game with a score of 12 points below zero, then earns 19 points. What is the new score?
A loss of 31 points
A score three points below zero
A positive score of 31
A positive score of 7
6. What is 305 + 489?
794
784
704
894
7. What is 7 + 8?
16
14
15
17
8. Which number completes 35 + ___ = 82?
37
46
47
57
9. A notebook costs $12.50 and a set of pens costs $8.75. What is the total cost?
$21.25
$21.15
$20.25
$22.25
10. An elevator starts six floors below ground level and rises 14 floors. Where does it stop?
Twenty floors below ground
Eight floors above ground
Fourteen floors above ground
Six floors below ground
11. A basket contains 18 red apples and 24 green apples. How many apples are there altogether?
32 apples
38 apples
42 apples
44 apples
12. A student says 268 + 157 = 425. Which calculation correctly checks the result using subtraction?
425 − 268 = 167
268 − 157 = 111
425 + 157 = 582
425 − 157 = 268
13. What is 46 + 27?
63
73
713
83
14. Which decomposition correctly calculates 58 + 37?
(50 + 30) + (8 − 7) = 81
(50 + 30) + (8 + 7) = 95
(50 + 30) + (8 + 7) = 85
(50 + 3) + (8 + 7) = 68
15. What is 3/8 + 2/8?
5/16
5/8
6/8
1/8
16. What is 1/2 + 1/4?
3/4
2/6
2/4
1/8