1 Digit Subtraction
10-5= ?
10-5= 5
20-4= ?
20-4= 16
10-5= ?
10-5= 5
There were 8 kids working at a table. The teacher called 3 of them away to read together. How many were left at the table?
8-3=5 There are 5 children left working at the table.
20-5= ?
20-5= 15
30-6= ?
30-6= 24
10-3= ?
10-3= 7
There were 15 red and blue balloons. If 7 of them were red, how many were blue?
15-7=8 There were 8 blue balloons.
30-5= ?
30-5= 25
55-15= ?
55-15= 40
20-10= ?
20-10= 10
There were 66 students at the assembly. Then, 23 got up and sang a song. How many students were left in the audience?
66 - 23 = 43 There were 43 students in the audience.
8-4= ?
8-4= 4
40-5= ?
40-5= 35
60-15= ?
60-15= 45
60-10= ?
60-10=50
There are 72 chickens in the coop. Only 49 of them laid eggs. How many chickens did not lay an egg?
72 - 49 = 23 There were 23 chickens that did not lay an egg.
6-4= ?
6-4= 2
55-5= ?
55-5= 50
70-8= ?
70-8= 62
85-10= ?
85-10= 75
Miss Ferguson said it was 3:00. Lunch was at 10:30. How much time has passed since then?
What is 4 and a half hours?