Addition
8+3=
6+5=
11
11
11-8=
8-5=
3
3
7+5=
10+2=12
2 +3 =5 +1
True or False
5=6
False
Mr. Ford owns a pet store. He counted 9 goldfish in a big tank and 4 goldfish in a small tank. He sold 7 goldfish out of the big tank. How many goldfish did he have left in all? Explain your answer using a labeled math drawing and a number sentence
6
13-7=6
7+3=
9+3=
10
12
12-4=
14-6=
8
8
8+5=
10+3=13
7 +9 =6 +10
True or False
16=16
True
Mr. Ford also has 8 birds, 14 snakes, and 11 turtles.
Show the number of snakes as a ten and some ones with a number bond, a 5-group drawing, and a number sentence
10+4=14
1 ten and 4 ones.
4+6=
7+7=
10
14
16-4=
14-4=
12
10
6+7=
10+3=13
11 - 8 =12 - 9
True or False
3=3
True
Mr. Ford sold some snakes. Now, he has 5. How many snakes did he sell? Explain your solution using a number bond or a math drawing. Write a number sentence.
14-_=5
9
8+_=15
7+_=13
_+9=13
7
6
4
17-7=
16-2=
10
14
9+5=
10+4=14
15 - 4 =14 - 5
True or False
11=9
False
Mr. Ford sold 8 turtles. How many turtles does he have left? Explain your solution using a number bond or a math drawing. Write a number sentence. Complete the statement.
11-8=3
8+_=16
_+8=14
_+6=15
8
69
13-4=
12-7=
9
5
13-9=
10-9=1
1+3=4
10 +5 =9 +5
Make it equal
10+5=9+6
10+4=9+5
Mr. Ford’s daughter says she can find the number of turtles Mr. Ford has left using subtraction or addition. Show two ways Mr. Ford’s daughter can solve this problem
11-8=
8+_=11