A
20 + 20 =
40
20
+ 20
40
10 + ____ = 15
5
10 + 5 = 15
20 - 5 - 5 - 5 -5 =
20 - 5 = 15
15 - 5 = 10
10 - 5 = 5
5 - 5 = 0
ANSWER: 0
What are the next 3 numbers....
1, 2, 4, 7, 11, __, __, __....
1, 2, 4, 7, 11, 16, 22, 29....
1 + 1 = 2
2 + 2 = 4
4 + 3 = 7
7 + 4 = 11
11 + 5 = 16
16 + 6 = 22
22 + 7 = 29
99 + 99 =
198
99
+ 99
198
0 + 4 + 8 =
12
____ - 7 = 3
10
Solve backwards: 3 + 7 = 10
Check if it's correct: 10 - 7 = 3
89 - 10 =
79
26 + 4 =
30
3 + 3 + 3 =
9
100 - 1 =
99
I have 1 dozen of egg. I cooked 2 for breakfast and another 2 for dinner. How many eggs are left?
1 dozen = 12
Clue: cooked 2 eggs breakfast + 2 eggs dinner
12 - 2 - 2 = 8 or
PMDAS (Plus, Multiply, Divide, Subtract) Method:
12 - (2 + 2) = 8
P = 2 + 2 =4
S = 12 - 4 = 8
15 - 3 =
12
48 - 16 =
32
61 - 0 =
15 + 12 =
27
77 shirts + 77 pants =
77
+ 77
154
15 + 6 - 1 =
15 + 6 = 21
21 - 1 = 20
answer: 20
50 - 15 =
35
0 + 44 =
44
99 - 9 =
90
What is
2 + 2 + 2 + 2 =
??
skip counting...
2 , 4 , 6 , 8
2 + 2 + 2 + 2 = 8
There are 5 slices of pizza. Mom ate 2 slices and Dad took 1 slice of pizza. How many slices of pizza left?
Given: 5 slices, ate 2 slices, took 1 slice of pizza
Solution: 5 - 2 - 1 = 2
There are 2 slices of pizza left.
75 - 33 =
42
There are 3 questions. A student will get 5 points each correct answer. Sarah got 2 correct answers. How many points did Sarah get?
Sarah got 10 points.
1 correct answer = 5 points
2 correct answers= 10 points
3 correct answers= 15 points