In the library there were 21 books on one shelf and 8 books on another shelf. The children took 13 books home to read. How many books were left? 1. Read the story carefully. 2. Decide if you want to add or subtract. 3. Write out the number sentence. 4. Estimate your answer. 5. Work out the part in the brackets first. 6. Then do the second part.
1. Dan had 18 crayons in his pencil case. Mum gave him a new box with 25 crayons. He gave 12 of them to Jay. How many crayons had Dan then?
2. There were 26 blue cubes and 29 red cubes on the table. The teacher took 17. How many cubes are on the table now?
( + 1 8 +2 5 – 1 2 ( + 26 +2 9 – 1 7
Now you decide whether to add or subtract. Put in the + or – sign. 3. There are 39 beanbags in one bag and 44 beanbags in another bag. 26 beanbags are used for PE.
(
How many beanbags are not used?
4. There are 67 stars on the reward chart and 14 stars in the packet. Mrs Kelly puts 15 stars on the copies.
How many stars are left? 154 Addition and Subtraction Word Problems (