Adding Decimals
3.512 + 7.201 = ?
10.713
5.562 - 3.420 = ?
2.142
What is a reasonable estimate for the sum of 9.865 and 4.307?
10 + 4 = 14
At the long-jump event, Autumn's first jump was 6.257 meters. Her second jump was 5.998 meters. How much longer was her first jump?
0.259 meter
Find the sum of 26.048 and 4.1
30.148
Find the difference between 6.258 and 4.340
1.918
What is a reasonable estimate for the difference of 8.325 and 5.9?
8 - 6 = 2
McKinley walked 2.38 miles yesterday. She walked 1.196 miles today. About how many miles did McKinley walk both days?
About 3 miles
What is the sum? Use an algorithm to solve.
0.648 + 0.279 =
0.927
What is the difference? Use an algorithm to solve.
0.7 - 0.123 =
0.577
Sebastian rode his bike 3.254 miles on Wednesday and 1.87 miles on Thursday. About how many miles did he ride his bike total?
About 5 miles
Reagan and his father catch two fish. The first fish weighs 5.534 pounds. The second fish weighs 2.921 pounds. What is the combined weight of the two fish?
8.455 pounds
Which of the following is a correct way to find
26.34 + 12.53? Choose all that apply.
A. 2 + 1 + 6 + 2 + 3 + 5 + 4 + 3
B. 2 + 1 + 6 + 2 + 0.3 + 0.5 + 0.4 + 0.3
C. 20 + 10 + 6 + 2 + 0.3 + 0.5 + 0.04 + 0.03
D. 26 + 12 + 0.34 + 0.53
C and D
What is the difference between 3.532 and 3.121?
0.411
Judah walked 1.744 miles yesterday. He walked 2.199 miles today. About how many miles did Judah walk both days?
About 4 miles
Khalil and his brother had dinner at their favorite restaurant. The total cost for their two entrees was $21.52. The cost of Khalil’s meal was $7.99. What was the cost of his brother’s meal?
His brother's meal cost $13.53
Find the sum of 765.022 and 113.789
878.811
Find the difference between 3 and 2.015
0.985
Where Brinley lives, the average high temperature in July is 87.46°F. The average low temperature in July is 64.82°F. Write an equation that estimates the difference between the average high and low temperatures in July.
Possible answers:
87 - 65 = 22
87.5 - 64.8 = 22.7
Deliza walked 6.42 miles yesterday. She walked 2.619 miles today. About how many miles did Deliza walk both days?
She walked about 9 miles total.