Estimating Sums: Fun Addition Challenges for Grade 2

Lily has 23 apples and her friend gives her 15 more. How many apples does Lily have now?

• 40

• 38

• 28

• 30

Tom has 45 marbles. He buys 27 more marbles. Estimate how many marbles Tom has in total.

• 70

• 80

• 90

• 100

A farmer has 12 cows and 18 sheep. How many animals does the farmer have altogether?

• 20

• 36

• 24

• 30

Sarah read 34 pages of her book on Monday and 29 pages on Tuesday. How many pages did she read in total?

• 63

• 70

• 50

• 45

In a box, there are 56 crayons. If 19 crayons are taken out, how many crayons are left in the box?

• 38

• 36

• 40

• 37

A bakery sold 38 cupcakes in the morning and 47 cupcakes in the afternoon. How many cupcakes did they sell in total?

• 75

• 90

• 100

• 85

There are 25 students in a class. If 14 more students join, how many students will be in the class?

• 39

• 30

• 50

• 25

A toy store has 60 toy cars. If they sell 22 toy cars, how many toy cars do they have left?

• 22

• 30

• 38

• 40

Emma has 15 stickers, and her sister gives her 9 more. How many stickers does Emma have now?

• 20

• 18

• 30

• 24

A library has 72 books. If 18 books are checked out, how many books remain in the library?

• 60

• 36

• 54

• 72