Subtraction
27 - 14
no 27 -14 = 13
45 - 21
45 - 21 = 24
There were 18 kids working at a table. The teacher called 3 of them away to read together. How many were left at the table?
18-3=15 There are 15 children left working at the table.
What is the answer called in a subtraction problem?
The difference
56 - 29
yes 56 -29 = 27
50 - 26
50 - 26 = 24
There were 35 red and blue balloons. If 14 of them were red, how many were blue?
35-14= 21 There were 21 blue balloons.
DAILY DOUBLE
Tell me how many siblings you have by using a subtraction equation.
Answer depends on the student
78 - 42
no 78 -42 = 36
90 - 11
90 - 11 = 79
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.
Explain what it means to regroup in subtraction.
To move a group of ten from one column to another (to make sure you have enough ones to subtract from).
43 - 37
yes 43 -37 = 6
88 - 68
88 - 68 = 20
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.
Find the difference
77 - 41 = ?
77 - 41 = 36
DAILY DOUBLE
88 - 49
yes 88 - 49 = 37
79 - 26
79 - 26 = 53
Suzie had a birthday party and invited 23 guests. Sadly, 8 of them were not able to attend. How many guests were at Suzie's party?
23 - 8 = 15 There were 15 guests at Suzie's party.
Tell me how old you are by using a subtraction equation.
Answer depends on the student