Unit 2

Use place value understanding and properties of operations to perform multi-digit arithmetic.

MGSE4.NBT.5 (Multiply whole numbers-up to four-digit by one-digit and two-digit by two-digit, with strategies and models)

K1: I can multiply four-digit numbers by a one-digit number.

K2: I can multiply two-digit numbers by a two-digit number.

R1: I can use strategies based on place value and the properties of operations to multiply numbers.

R2: I can explain my answer using written equations.

R3: I can explain my answer using rectangular arrays.

R4: I can explain my answer using area models.

R5: I can explain my answer using illustrations.