Subtraction and Addition
3+3=
6
Is 11 even or odd?
Odd
Complete the pattern:
20, 25 30, 35, 40, ____
They found 21+8 butterflies which is equal to 29 butterflies!!
13 and 18
NOT EQUAL!
14+5=
19
10-4=
Is the answer even or odd?
6 is EVEN!
Complete the pattern: 80, 70, 60, ____, 40, 30
What is the missing number?
50
William has 15 teddy bears. He gives 5 to Esenia and 3 to Valerie, how many teddy bears does he have left?
15-5-3=7
WILLIAM HAS 7 TEDDY BEARS LEFT!!
Are these two numbers equal: 22 and 21?
NOT EQUAL
23+23=
46
Is 18-3 even or odd?
15 is ODD!
Find the missing number: 35, 45, 55, 65, ____, 85
75!!
Sungchan had 57 penguins. He gave Noor 17 penguins. How many penguins did he have left?
40 penguins!
Is this equation equal?
5+5 AND 7+3
YES! They are equal!
64+25=
89
If Govindan has 59 wands and Ben has 3 wands. Does their total equal an even or odd numbers of wands?
Even
What is the missing number?
___, 40, 45, 50, 55, 60
35!!!
Hazel had 98 colored pencils. She gave Deewa 10 colored pencils and Hannah 12 colored pencils. How many colored pencils did she have left?
98-10=88-12
Hazel had 76 colored pencils left!
Are these equations equal?
20+6
21+2
UNEQUAL
45+36=
81
Odd: any number ending in 1, 3, 5, 7, 9
Even: 0, 2, 4, 6, 8
What are the two missing numbers?
10, 12, 14, 16, ____, 20, 22, 24, 26, ___, 30
18 AND 28!!!
Ms. Mulhern had 76 dachshunds! Britton have her 12 more dachshund puppies. How many dogs did she have now?
76+12=88 dogs
Ms. Mulhern had 88 dogs!! WOW that's a lot of dogs.
Are these equations equal or unequal?
100+5
99+6
EQUAL!