Addition with Regrouping
32,834 + 17,384 =
50,218
Estimate the difference.
1,440 - 933 =
500
651,784 - 482,638 =
169,146
There are 332,054 people in a city. Of these, 168,278 are under the age of 18. How many people are 18 or older?
163,776 people
The answer to an addition problem is called...
a. sum
b. product
c. difference
d. dividend
148,382 + 9,243 =
157,625
Estimate the sum.
4,981 + 6,193 =
11,000
40,700 - 23,884 =
16,716
A shipping company delivered 38,728 letters and 41,584 packages. Write and solve an equation to find how many items the company delivered.
38,728 + 41,584 = 80,312 items
a. find the exact answer
b. subtract
c. estimate
d. none of the above
c. estimate
215 + 8,823 =
9,038
55,748 + 28,392 =
30,000
20,008 - 16,074 =
3,934
Janelle needs to score 280,000 points on her computer game to get to the next level. So far, she has scored 96,675 points. How many more points does Janelle need to score to reach the next level?
183,325 points
The answer to a subtraction problem is called...
a. sum
b. difference
c. product
d. dividend
b. difference
572,941 + 181,662 =
754,603
Estimate the difference.
8,352 - 3,421 =
5,000
735,184 - 255,863 =
479,321
On Thursday, 13,450 people attended a baseball game. Only 11,350 people attended the game on Friday. How many more people attended the game on Thursday than Friday?
2,100 people
What is the relationship of the 5's in 55,348?
The 5 in the ten thousands place is ten times bigger than the 5 in the thousands place. The 5's follow the 10 times rule.