Estimating Sums: Double Digit Adventures in Addition

Lily has 23 apples and her friend gives her 14 more. How many apples does Lily have now?

• 37

• 40

• 30

• 25

Tom has 45 marbles and he buys 12 more. How many marbles does Tom have in total?

• 50

• 60

• 45

• 57

A farmer has 32 chickens and he gets 25 more. How many chickens does the farmer have altogether?

• 57

• 60

• 45

• 50

Sarah read 21 pages of her book and then read 18 more pages. How many pages did she read in total?

• 39

• 45

• 40

• 37

In a toy store, there are 36 teddy bears and 22 dolls. How many toys are there in total?

• 40

• 58

• 50

• 70

A baker made 40 cookies and then baked 15 more. How many cookies did the baker make altogether?

• 50

• 30

• 55

• 40

There are 50 students in the school and 14 more join. How many students are there now?

• 64

• 50

• 70

• 60

A library has 28 fiction books and 19 non-fiction books. How many books are there in total?

• 42

• 56

• 47

• 37

Emma has 34 stickers and she gets 11 more from her friend. How many stickers does Emma have now?

• 40

• 50

• 45

• 33

A zoo has 27 lions and 12 tigers. How many big cats are there in total?

• 39

• 45

• 30

• 25