Word Problems : Estimating

In your groups, solve the following word problems.

   Estimate the sum or difference by rounding each number to the nearest ten.

1)      Sam picked 374 lemons and Tim picked 929 lemons from the lemon tree. Estimate how many lemons they both picked ?

2)       Alyssa's Cupcake Shop sold a total of 586 cupcakes today, and 213 of those had sprinkles. Estimate how many cupcakes were sold without sprinkles?

3)       There were 378 scissors in the drawer and Nancy put away 324 more . Estiamte how many scissors are now in the drawer?

Now estimate the sum or difference by rounding each number to the nearest hundred.

4)       John has 678 baseball cards. Benny bought 347 of John's baseball cards. Estimate how many baseball cards  John still owns?

5)       Keith found 935 seashells on the beach and  he gave Melanie 126 of them. Estimate how many seashells  he now has?

6)     Sally and Alyssa decided to bake cookies for the family picnic. Sally baked 611 raisin cookies and Alyssa baked 649 sugar cookies. Estimate how many cookies they baked altogether?