Add, subtract, multiply or divide two whole numbers: word problems
Learn with an example
✈️ A mint factory puts 3 mints in each box.
How many mints will the factory need to fill 71 boxes?
____ mints
- There are 3 mints in each of 71 boxes. Multiply:
- 7 1 × 3= 2 1 3
- The company will need 213 mints to fill 71 boxes.
✈️ Some insects called aphids attack a large farm. In response, the farmer releases ladybirds onto the fields. There are 4,098 ladybirds with spots and 6,364 ladybirds without spots.
How many ladybirds are there in all?
______ ladybirds
Add the numbers of ladybirds.
Add:
4,098+ 6,364
Add the ones. Add 8 + 4. Remember to carry over.
1
4 , 0 9 8
+6 , 3 6 4
2
Add the tens. Add 1 + 9 + 6. Remember to carry over.
1 1
4 , 0 9 8
+6 , 3 6 4
6 2
Add the hundreds. Add 1 + 0 + 3.
1 1
4 , 0 9 8
+6 , 3 6 4
4 6 2
Add the thousands. Add 4 + 6.
1 1
4 , 0 9 8
+6 , 3 6 4
1 0 , 4 6 2
The sum is 10,462. There are 10,462 ladybirds in all.
✈️ Brenna picked 3 barrels of cherries. She put 893 cherries in each barrel.
How many cherries did Brenna pick in all?
_____ cherries
There were 3 barrels, each of which had 893 cherries. Multiply:
2
8 9 3
× 3
2 , 6 7 9
Brenna picked 2,679 cherries in all.
Let’s practice!🖊️
