I had some apples in a bag. My mom gave me 8 more. Now I have 18 apples. How many did my mom give me?
Equation and Strategy!
(10)? + 8 = 18
Which number is greater?
17 8
17
Using base 10 blocks show the number:
28
2 tens 8 ones
35 + 40 =
Strategy!
75
What is ten more than 43?
53
I had 30 candy bars. I ate 10 of them. How many candy bars do I have left?
Equation and Strategy!
30 - 10 = 20
Which number is greater?
26 29
29
Using base 10 blocks show the number:
54
5 tens 4 ones
87 + 10 =
Strategy!
97
What is ten less than 84?
74
I bought 45 candy canes. Then, I bought 30 more candy canes. How many candy canes do I have?
Equation and Strategy!
45 + 30 = 75
Which number is greater?
39 59
59
Using base 10 blocks show the number:
63
6 tens 3 ones
43 + 40 =
Strategy!
83
What is ten more than 86?
96
I had 50 candy canes. I gave out 20 candy canes. How many candy canes do I have left?
Equation and Strategy!
50 - 20 = 30
Which number is greater?
48 27
48
Using base 10 blocks show the number:
29
2 tens 9 ones
30 + 52 =
Strategy!
82
What is ten less than 78?
68
Jane has 5 bags of apples. Each bag has 10 apples in it. How many apples does she have?
Equation and Strategy!
10+10+10+10+10 = 50
or count by 10's, 5 times
Which number is greater?
27 27
Neither! They are equal
Using base 10 blocks show the number:
55
5 tens 5 ones
60 + 24 =
Strategy!
84
What is ten more than 57?
67