1.nbt.6 Worksheets

Want to help support the site and remove the ads? Become a patron via patreon or donate through paypal.
Previous Standard Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Next Standard Order three objects by length; compare the lengths of two objects indirectly by using a third object.
Number and Operations in Base Ten Use place value understanding and properties of operations to add and subtract. 6Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences], using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.