Find the sum
70,345
+ 80,284
--------------
150,629
Find the difference
7,384 - 2,295
5,089
Write the number to make it true
(7,200 + 75) + 10 = _____ + (75 + 10)
7,200
7,847 + 3,521
11,368
Find the sum
362
+ 867
655
----------
1,884
7,503
- 445
-----------
7,058
Complete the equation to make it true
(5,000 + 35) + 15 = ______ (35 +15)
5,000
8,000 - 2,460
5,540
Find the sum
3,456
+ 5,812
2,679
--------------
11,947
3,000
- 2,450
-------------
550
Select the correct ways to rewrite the equation
4,000 + 2,000 + 1,000 = n
a. 4,000 + 1,000 + 2,000 = n
b. 4,000 + 2,000 = n
c. 3,500 + 1,500 + 500 = n
d. (2,000 + 4,000) + 1,000 = n
e. (3,500 + 1,500 + 500) + (500 + 500 + 500) = n
a.
d.
e.
7368
+1253
2620
----------
11,241
Round the three numbers to the nearest thousand AND find the sum
4,730
2,480
3,160
5,000
+ 2,000
3,000
--------------
10,000
Find the difference THEN use addition to check your work
26,575
- 17,088
--------------
9,487
9,487+ 17,088 = 26,575
Select the correct ways to rewrite the equation
3,010 + 2,370 + 1,505 = n
a. 3,010 + 1,505 + 2,370 = n
b. 3,010 + 1,505 = n
c. 3,000 + 2,300 + 1,505 = n
d. (2,370 + 3,010) + 1,505 = n
e. (3,000 + 2,300 + 1,500) + (10 + 70 + 5) = n
a.
d.
e.
Round these numbers to the nearest thousand
6,940
3,410
2,748
7,000
3,000
3,000
Add the numbers
4,730
2,480
3,160
10,370
Check this subtraction problem with addition
7365
- 5483
-------------
1882
5483
+ 1882
--------------
7365
Add to check your work
8500
- 5300
------------
3200
5300
+ 3200
-------------
8500