Unit 3 Review

Counting

100

What is skip counting?

• Skip counting is counting by a number other than 1, such as 2, 5, or 10.

200

Count by 10s from 118 

_______, _______, _______, ________

118, 128, 138, 148

300

What is the next number in the pattern: 22, 24, 26?

28

400

 Count by 100s from 118 

______, ________, ______, ________

218, 318, 418, 518

500

 What is the next number in the pattern: 70, 60, 50?

40

Patterns

100

What is a pattern?

• A pattern is a repeated decorative design or a sequence that follows a specific rule.

200

What comes next: 34, 44, 54?

64

300

 Describe the pattern: 45, 50, 55.

+5

400

Is this pattern odd or even? 68, 70, 72?

even

500

What comes next: 95, 90, 85?

80

Problem Solving

100

Is the number of counters odd or even

X X X X X 

X X X X X 

Even

200

What is the difference between odd and even?

Even has a partner or can be grouped and odd is not 

300

How many numbers are in this pattern: 60, 70, 80?

3

400

X X X X X 

X X X X 

Odd or Even... why?

Odd - no partner

500

Describe how to find missing numbers in a sequence. For example, 620, 630, 640 How do you know what number comes next?

Look for a pattern 

Patterns 2

100

What is 77 + 10?

87

200

What is 915 + 5?

920

300

Fill the table: 390, ___, ___

395, 400

400

What is the skip count pattern: 5s?

Counting by fives means adding 5 each time.

500

What number do you end up on? Count by 2 seven times from 205.

_____, _____, ______, _____, _____, ______, _____      

219 

Sequences

100

What follows 67 by 1's

68

200

Identify the pattern: 597, 697, ___

797

300

What is the next number in the table: 480, 490, ___

500

400

What is the total after counting by 5 five times from 205?

_____, _____, _____, _____

             230

500

What is the next number in the sequence: 911, 912, ___?

913