Boofus Quiz-O-Rama | Adding Tens and Ones

Boofus Quiz-O-Rama - It's your time to shine on the Boofus Quiz-O-Rama quiz show! Practice adding tens and ones and choose the correct answer to each question to get a new high score!

Common Core Standards

CCSS.MATH.CONTENT.1.NBT.C.4
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.