UNIT 04 // SESSION B // MASTER WHEN READY
Written addition, one carry
Name:Date:
Estimate first, every single time. Round to the nearest ten in your head and write the guess.
1Estimate, then work it out.
2Two of these do NOT need a carry. Circle them.
24 + 35
48 + 26
53 + 19
61 + 27
3Word problems. Draw the box first.
aAva had 47 stickers. She got 26 more. How many now?
bThere are 38 books on the top shelf and 25 on the bottom shelf. How many books?
cNora counted 19 red cars and 34 blue cars. How many cars altogether?
1. 63, 65, 83, 72, 81, 84, 92, 83 2. 24+35 and 61+27 need no carry 3. a 73, b 63, c 53