The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?
31.9 hours
30 hours
31 miles
31.8 hours
4. Multiple Choice
45 seconds
1 pt
Paige was measuring how much taller she got over two years. In the first year she grew 4.62 cm. In the second year she grew 7.7 cm. How much taller did she get altogether?
12.3 cm
3.8 years
12.32 cm
12.32 years
5. Multiple Choice
30 seconds
1 pt
What is the rule for adding decimals?
Add first
Line up the decimals first, then fill in with zeros.
Move the decimal to the right the total amount of numbers after the decimal.
Subtract
6. Multiple Choice
45 seconds
1 pt
Last week it rained 2.15 inches on Monday and 1.68 inches on Tuesday. What was the total amount of rainfall on both days?
4.83
383
3.88
3.83
7. Multiple Choice
20 seconds
1 pt
When you add decimals, your total is always going to a larger number.
True
False
8. Multiple Choice
1 minute
1 pt
What is the first step when adding and subtracting decimals?
Line up the numbers
Line up the decimals
Add or subtract like normal
Add in placeholders
9. Multiple Choice
30 seconds
1 pt
What is the first step when multiplying decimals?
Line up the numbers
Line up the decimals
Multiply like normal
Move the decimal
10. Multiple Choice
1 minute
1 pt
Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?
Bring the decimal straight down
There is no decimal
Count how many numbers are behind all decimals in the problem
Move the decimal 2 spaces from the front
11. Multiple Choice
45 seconds
1 pt
12.3 +13.45
14.68
25.75
1.15
25.48
12. Multiple Choice
1 minute
1 pt
7.83 x 1.2
9.396
93.96
7.86
2.349
13. Multiple Choice
2 minutes
1 pt
Round 23.542 to the nearest tenth.
23.5
23.6
23.54
23
14. Multiple Choice
2 minutes
1 pt
16.3 - 4.156
12.244
12.454
12.144
13.144
15. Multiple Choice
1 minute
1 pt
7.13 x 5.5
39.215
3.9215
392.15
3921.5
16. Multiple Choice
1.5 minutes
1 pt
5.78 x 3.5
0.223
2.23
22.3
20.23
17. Multiple Choice
1 minute
1 pt
Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?
3.41 miles
8.54 miles
34.16 miles
341.6 miles
18. Multiple Choice
5 minutes
1 pt
0.18 x 2.0
3.6
36
0.36
0.036
19. Multiple Choice
1.5 minutes
1 pt
81.9 x 0.5 =
40.95
409.5
40.02
400.2
20. Multiple Choice
1 minute
1 pt
7.12 x 3 =
21.36
213.6
21.49
214.9
21. Multiple Choice
1.5 minutes
1 pt
Tim's favorite peaches are $2.50 per pound at the local farmers’ market. She bought 3 pounds of the peaches. How much did she spend?