Welcome to Math Quiz #28601

Determine the Unknown Number in 4-Digit to 6-Digit Addition Equation

There are 10 problems in this quiz which support the following standard:

CCSS.Math.Content.4.NBT.B.4. Fluently add and subtract multi-digit whole numbers using the standard algorithm.

This page can be found quickly using this link: http://i4c.xyz/ycweymhd

Press "Start" to begin.