Addition and Subtraction Regrouping
74 + 18 = _____
92
Jane had some balls. Then, she threw 10 of them. Now Jane has 5 balls left. How many many balls did Jane start with?
Write a number sentence to match the story. Use the ? for the unknown number.
How many balls did Jane start with?
____ balls
a) 14 balls
b) 15 balls
c) 10 balls
b) 15 balls
? - 10 = 5
6 x 3 = ____
18
48 + 36 = ___
84
There were some pens in a cup. Then, Tim added 8 more pens. Now there are 11 pens in the cup. How many pens were there at the start?
Write a number sentence to math the story? Use the ? for the unknown number.
How many pens were there are the start?
___ pens
a) 2 pens
b) 3 pens
c) 4 pens
? + 8 = 11
b) 3 pens
3 x 8 = ____
24
61 - 39 = ___
22
A hotel is 9 stories tall. There are 9 rooms per story. How many rooms are there in the hotel?
____ rooms
a) 80 rooms
b) 71 rooms
c) 81 rooms
c) 81 rooms
8 x 4 =
32
32 - 17 = ___
15
A cook made 6 stacks of pancakes. There were 2 pancakes in each stack. How many pancakes were there in all?
a) 8 pancakes
b) 4 pancakes
c) 12 pancakes
c) 12 pancakes
9 x 5 = ___
45
70 - 26 = ___
44
Ellie bought 3 packages of cookies. Each package had 6 cookies. How many cookies did Ellie buy?
a) 18 cookies
b) 3 cookies
c) 9 cookies
a) 18 cookies
7 x 6 = ____
42