Luis saw 4
birds sitting on the ground.
He saw 9
birds sitting on a fence.
Which number sentence shows how many more birds were sitting on the fence than on the ground?
9 - 4 = 5
There are 68 students eating in the lunchroom. Then 10 more students enter the lunchroom. How many total students are in the lunchroom now?
There are now 78 students in the lunchroom.
To find out, you can add the initial number of students to the number that entered:
68 + 10 = 78
Which time is shown on the clock?
A clock. The short hand is at 9. The long hand is at 12.
The time shown on the clock is 9 o'clock.
The short hand represents the hour and it is pointing to 9, while the long hand represents the minutes and is pointing at 12 (the 12 is used as a reference point indicating the start of a new hour). Therefore, the time is 9:00.
Which is the missing number?
19 – □
= 7
The missing number is 12.
To find out, you can use subtraction:
19 - 12 = 7
There are 46 apples and 34 oranges for sale at the fruit stand. How many more apples than oranges are there?
There are 12 more apples than oranges at the fruit stand.
To find out, you can subtract the number of oranges from the number of apples:
46 - 34 = 12
Which is the missing number?
18−■=7