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Estimating Sums
Addition
Finding The Unknown
Two Step Word Problems
Subtraction
100

248 + 578=? 

Round to the nearest hundred.


800

100

678+980=?

1,658


100

989+___=1,789

800

100

Joey had 267 apples. Lily had 876 more apples than Joey. How many apples do they have altogether?

They have 1,410 altogether.


100

196-127=?

69

200

368+479=?

Round to the nearest hundred.

900

200

999+999=?

1,998

200

983+___=2,345

1,392

200

Ryan has 9,864 m&ms. Aiden has 6,864 more m&ms than Ryan. how many m&ms do they have altogether?

They have 26,592 m&ms altogether.

200

397-286=?

111

300

565+789=?

Round to the nearest ten.

1,360

300

1234+3456=?

4,690


300

5,895+___=8,634

2,739

400

5,555+9,657=? 

Round to the nearest hundred.

15,300

400

99999876+99987654=

1,999,876,30

400

65,470+____=76,783

11,313


500

95,959+86,868=?

181,2000

500

9,999,999,999+9,999,999,999=?

1,999,999,999,8

500

67,784+_____=99,875

31,991