## Addition and subtraction within 20 (Khan Academy)

zane addition, numbers, subtraction 0 Comments

Learn to add and subtract numbers that are 20 or less. (1) Addition within 20 Adding 7 + 6 Adding 8 + 7 Add within 20 Adding 5 + 3 + 6 Add 3 numbers (2) Subtraction within 20 Subtracting 14 – 6 Subtract within 20 (3) Equal sign Equal sign Equal sign (4) Missing […]