Addition Facts
What type of addition fact is...
6 + 6 =
Doubles Fact
What type of subtraction fact is...
15 - 5 =
Back to 10 Fact
Grace had 82 fruit snacks. She got 36 more of them. How many fruit snacks does she have now? Use decomposing and a number line to solve.
82 + 36 = 118
___ + 8 = 16 + 1
9 + 8 = 16 + 1
___ - ___ = 14
___ - ___ = 14
___ - ___ = 14
Answers will vary.
What type of addition fact is...
8 + 9 =
Doubles Plus/Minus One
What type of subtraction fact is...
18 - 9 =
Take Half Fact
Eve has 48 dolls and Alice has 59. How many dolls do they have all together?
59 + 48 = 107
8 + 3 = ___ - 2
___ + ___ = 17
___ + ___ = 17
___ + ___ = 17
Answers will vary.
What type of fact is...
7 + 3 =
Make 10 Fact
What type of subtraction fact is...
18 - 10 =
Take Away 10 Fact
John threw a football 27 feet. Then he decided to throw the ball again. He threw the ball 34 feet. How many feet did he throw the ball in total? Write an equation with your answer.
27 + 34 = 61
8 - 3 = 11 - ___
8 - 3 = 11 - 6
Jerry says that 6 + 7 is a doubles plus or minus one fact. Do you agree with Jerry? Why or why not?
Yes, because 6 + 6 = 12 and one more is 13. Or yes because 7 + 7 is 14 and 1 less is 13.
What type of addition fact is...
10 + 4 =
Add 10 Fact
What type of subtraction fact is...
14 - 0 =
Zero Facts
Tyler ate 108 pieces of candy. Jim ate 67 pieces of candy. How many more pieces did Tyler eat than Jim? Write two equations that will help you solve. Then, solve the problems and show your work.
108-67=m
67+m= 108
Tyler ate 41 more pieces of candy.
___ + 11 = 9 + 9
7 + 11 = 9 + 9
Kyle says that double facts (8 + 8, 7 + 7) have even sums. Do you agree with Kyle? Why or why not?
Yes, because each of the sums end in a 0, 2, 4, 6, or 8.
What type of addition fact is...
9 + 5 =
Add Nine Fact
What type of subtraction fact is...
18 - 3 =
Count Back Fact
John bought 138 toys this week and 126 toys last week. Zach bought 129 toys this week and 141 toys last week. Who bought more toys? How many more toys did they buy? Show your work.
138 + 126 = 264
129 + 141 = 270
Zach bout 6 more toys than John.
10 + 5 = ___ - 5
10 + 5 = 20 - 5
Explain how you can use a make 10 fact to solve 8 + 5. Include your answer to 8 + 5 in your answer.
8 + 5 =
+ 2 -2
___________
10 + 3 = 13
I took two away from the 5 and gave it to the 8 to make 10. Then the 5 became a 3.