Repeated Addition
Number Lines
Skip Counting
Arrays
Subtraction
100
What repeated addition sentence does this show?
3 + 3 + 3 + 3 + 3 = 15
100
Use a number line to show 4 jumps of 2.
100
35 marbles
100
Draw a 2 x 6 array.
100
82-20=
82-20=62
200
Draw a picture to show 3 groups of 7 and find the total.
200
Show 3 x 4 on a number line.
200
Use skip counting to continue the pattern to fill in the blanks
4, 8, 12, ____, ____
16, 20
200
Fill in the blanks to match the array
3 x 4 = 12
200
50-25=
25
300
Rewrite the repeated addition sentence as a multiplication sentence.
2 + 2 = 2 = 6
3 x 2 = 6
300
Complete the multiplication sentence that describes the model.
____ x 2 = 14
7 x 2 = 14
300
Use skip counting to fill in the blanks
3, ____, ____, 12, 15
6, 9
300
Use an array to find 3 x 7.
300
60-19=
41
400
Rewrite the multiplication sentence as a repeated addition sentence.
3 x 9 = 27
9 + 9 + 9 = 27
400
Complete the multiplication sentence that describes the model.
3 x ____ = 15
3 x 5 = 15
400
Why isn't this an example of skip counting?
3, 6, 8, 10, 12, 15
The pattern is counting by different numbers; sometimes skip counting by 2, sometimes skip counting by 3.
400
Arianna baked cookies. She baked 3 rows of cookies with 9 cookies in each row. Use an array to find the total number of cookies Arianna baked.
3 x 9 = 27
27 cookies
400
Our class baked 52 cookies. We gave Ms. Sundt 15 cookies. How many do we have left?
37
500
Write a repeated addition sentence and a multiplication sentence to match the array.
5 + 5 + 5 = 15
3 x 5 = 15
500
Complete the multiplication sentence that describes the model.
____ x ____ = ____
3 x 2 = 6
500
Use skip counting to show three groups of 7
7, 14, 21
500
Use an array to find the missing factor.
4 x ____ = 28
4 x 7 = 28
500
The kids filled 98 water balloons. They already filled 56 of them. How many more do they need to fill?
42