3 digit addition
236 + 104 =
340
148 - 104 =
44
Tara had 67 red pens. She gave Jim 17 of her red pens. How many red pens does she have now?
67 - 17 = 50
17 + 50 = 67
Tara has 50 red pens now.
What is the value of the 5 in 458?
5 tens
50
353 + 247 =
600
259 - 136 =
123
Sarah gave Pete 21 red pens. Now he has 56 red pens. How many red pens did Pete have before?
56 - 21 = 35
21 + 35 = 56
Pete had 35 red pens before.
What is the value of the 9 in 954?
9 hundreds
900
472 + 489 =
961
482 - 295 =
187
Kate has 73 blue pens. She buys 27 more blue pens. How many blue pens does she have now?
73 + 27 = 100
Kate has 100 blue pens now.
Break apart the following number:
852
800 + 50 + 2
789 + 218 =
1007
784 - 529 =
255
Jack has 69 red pens and 57 blue pens. How many pens does Jack have?
69 + 57 = 126
Jack has 126 pens.
Break apart the following number:
938
900 + 30 + 8
958 + 793 =
1751
986 - 798 =
188
A trian carried 842 passengers. At the first stop, 415 passengers got off. How many passengers remain on the train?
427
Break apart the following number:
965
900 + 60 + 5