# Center

Compare (1–5)

## Stage 1: Add and Subtract within 10

### Narrative

Students use cards with addition and subtraction expressions within 10.

## Stage 2: Add and Subtract within 20

### Narrative

Students use cards with addition and subtraction expressions within 20.

## Stage 3: Multiply within 100

### Narrative

Students use cards with multiplication expressions within 100.

## Stage 4: Divide within 100

### Narrative

Students use cards with division expressions within 100.

This stage of the Compare center is used in grades 3, 4, and 5. When used in grade 3 or 4, remove the cards with two-digit divisors.

## Stage 5: Fractions

### Narrative

Students use cards with fractions. They may use either deck of fraction cards or combine them together to play.

## Stage 6: Add and Subtract Fractions

### Narrative

Students use cards with expressions with addition and subtraction of fractions with the same denominator.

## Stage 7: Multi-digit Operations

### Narrative

Students use cards with expressions with all 4 operations resulting in numbers over 1,000.

## Stage 8: Divide Fractions and Whole Numbers

### Narrative

Students use cards with expressions with multiplication and division of fractions.