Domain

Number and Operations in Base Ten

Clusters

Extend and recognize patterns in the counting sequence.

Understand place value.

Standards

NC.1.NBT.1 Count to 150, starting at any number less than 150.

NC.1.NBT.2 Understand that the two digits of a two-digit number represent amounts of tens and ones.

Materials

none

Task

Say: I’m going to pretend that I have some groups of ten cubes and some leftover.  I want you to tell me how many I have.

What if I had 4 groups of ten cubes and zero leftovers?  How many cubes would I have?

What if I had 6 groups of ten cubes and zero leftovers?  How many cubes would I have?

What if I had 8 groups of ten cubes and zero leftovers?  How many cubes would I have?

What if I had 1 group of ten cubes and 3 ones?  How many cubes would I have?

What if I had 1 group of ten cubes and 9 ones?  How many cubes would I have?

What if I had 1 group of ten cubes and 1 leftover?  How many cubes would I have?

Continuum of Understanding

Not Yet Proficient

·         Answers 0-2 of the questions correctly

Correctly Identified:

q  40

q  60

q  80

q  13

q  19

q  11

Progressing

·         Answers 3-5 of the questions correctly

       OR

·         Uses counting as a strategy to solve one or more questions.

Meets Expectations

·         Answers all the questions correctly