Goals for the Lesson
K.OA.A.4 – For any number from 1 to 9, find the number that makes 10 when added to the given number
1.OA.8 – Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
2.OA.2 Fluently add and subtract within 20 using mental strategies
Kat and Squirrel Story for the Lesson
Squirrel accidentally cleaned all the numbers off the cars. Help Kat and Squirrel figure out the car’s numbers. Help them find the missing numbers.