Grade 3 math · D.3 · Skip-Counting Patterns
Count back by 50s
Each number is 50 less.
See worked examples
959, 909, 859, 809, … Write the next three numbers and the rule.
Answer: Next three: 759, 709, 659; Rule: Start at 959; subtract 50 each time
601, 551, 501, 451, … Write the next three numbers and the rule.
Answer: Next three: 401, 351, 301; Rule: Start at 601; subtract 50 each time
884, 834, 784, 734, … Write the next three numbers and the rule.
Answer: Next three: 684, 634, 584; Rule: Start at 884; subtract 50 each time
Tip: Each number is 50 less.
Curriculum
Common Core: 2.NBT.A.2
On paper: this skill is in the printable pack Grade 3 Common Core Math: Number and Operations, with an answer key.
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