Adding Lengths 0, Addition Diagrams

Which equation does this diagram represent?

• $2+8=10$

• $2+13=15$

• $2+3=5$

• $2+18=20$

Which equation does this diagram represent?

• $2+8=10$

• $2+13=15$

• $2+3=5$

• $2+18=20$

Which equation does this diagram represent?

• $2+8=10$

• $2+13=15$

• $2+3=5$

• $2+18=20$

Which equation does this diagram represent?

• $2+8=10$

• $2+13=15$

• $2+3=5$

• $2+18=20$

Which equation does this diagram represent?

• $3+2=5$

• $3+7=10$

• $3+12=15$

• $3+17=20$

Which equation does this diagram represent?

• $3+2=5$

• $3+7=10$

• $3+12=15$

• $3+17=20$

Which equation does this diagram represent?

• $3+2=5$

• $3+7=10$

• $3+12=15$

• $3+17=20$

Which equation does this diagram represent?

• $3+2=5$

• $3+7=10$

• $3+12=15$

• $3+17=20$

Which equation does this diagram represent?

• $9+1=10$

• $8+2=10$

• $7+3=10$

• $6+4=10$

Which equation does this diagram represent?

• $9+1=10$

• $8+2=10$

• $7+3=10$

• $6+4=10$