Find whole numbers to make given sums

Add whole numbers (number line)

Count up by 10 from 0

Balance addition and subtraction expressions

Add and subtract whole numbers (number line)

Use counting to add and subtract whole numbers

Solve one-step equations (addition)

Find whole numbers to make a sum of 10

Subtract whole numbers on the number line

Solve one-step equations (addition)

Find whole numbers to make given sums

Count up by 10 from multiples of 10

Find three whole numbers that add to 10

Solve problems with skip counting (multiple solutions)

Strategize to solve subtraction problems (two terms)

Use counting to add whole numbers

Use grouping to count more than 10 objects

Game: Add and subtract whole numbers (hundred board)

Partition polygons to form other polygons

Represent fractions with subsets

Count up from any whole number

Add two whole numbers

Count from 10 to 20

Represent whole numbers with words

Solve subtraction by multiples of 10

Measure heights by counting (no units)

Create and interpret pictographs

Complete patterns of objects (multiple missing sections)

Complete and continue patterns of objects (missing terms)

Complete patterns

Partition shapes into halves (rectangles, circles)

Use inequality symbols to compare whole numbers

Compare heights of objects

Complete patterns of objects (missing terms)

Complete patterns of objects (one missing section)

Combine or subdivide polygons to form other polygons

Create equal sums with multiples of 10 (known sum)

Count up from multiples of 10

Solve problems with skip counting

Create combinations to meet requirements (count by 4)

Strategize to solve subtraction problems (three terms, two operations)

Count objects up to 20

Create and interpret pictographs

Partition shapes into halves and quarters (rectangles, circles)

Add whole numbers (shopping)

Use regrouping to add and subtract whole numbers

Combine triangles to form polygons

Solve problems with addition and multiplication (six options)

Create combinations to meet requirements (count by 5)

Solve subtraction

Create, interpret, and calculate from pictographs

Create equal sums (known sum)

Find three multiples of 10 that add to 100

Create and interpret tally marks

Create combinations to meet requirements (count by 3)

Add whole numbers

Subtract two whole numbers

Solve subtraction from 20

Create two-digit whole numbers using place value

Create equal sums (known sum)