Rounding
Patterns (Rules)
Turn Around Rule
Adding/Subtracting a Group
Random
100
What is 178 rounded to the nearest hundred?
200
100
What is the next number in the pattern?
3, 6, 9, 12, ____
15
100
What is the turn around rule for multiplication?
If you flip the numbers around your answer stays the same.
100
Add a group to 5x3 to show the answer to 6x3
18
100
What is 3x4?
12
200
What is 534 rounded to the nearest hundred?
500
200
What is the rule for this pattern?
5, 10, 15, 20, 25
Add 5
200
Draw an array for 5 x 7 and 7x5
Teacher will check arrays
200
Add a group to 2x8 to show the answer to 3x8
24
200
Estimate 423+568 (Rounded to the nearest 100)
1000
300
What is 436 rounded to the nearest 10?
440
300
What is the missing number in the pattern?
2, 4, 8, ___, 32
16 (Rule is times 2)
300
Draw an array for 3x6 and 6x3
Teacher will check arrays
300
Add a group to 5x9 to show the answer to 6x9
54
300
Estimate 224+347 (Rounded to the nearest 10)
570
400
What is 872 rounded to the nearest 10?
870
400
What is the rule for this pattern?
13, 25, 37, 49
Add 12
400
What number model matches this array?
3x5=15
400
Subtract a group from 5x8 to show the answer to 4x8
32
400
Which of these facts is a multiplication square?
3x3 or 5x6
3x3
500
Estimate (round then add) the answer to 323+567 rounded to the nearest 100.
900
500
What is the missing number in the pattern?
15, ___, 45, 60
30
500
Draw a multiplication square with the answer
Teacher will check
500
Subtract a group from 5x7 to show the answer to 4x7
28
500
What is the answer to 8x6 (draw an array if you need to)
48