Module 4 Review

Front

What does it mean to unbundle a ten in subtraction?

Back

Unbundling a ten means breaking down a ten into ten ones to help with subtraction.

Tags

CCSS.2.NBT.B.7

Front

What is the first step to solve 134 - 58?

Back

Unbundle a ten and a hundred.

Tags

CCSS.2.NBT.B.7

Front

What is the addition problem that matches 3 + 7?

Back

70 + 50.

Tags

CCSS.2.NBT.B.5

Front

What is the answer to 7 + 3 + 10?

Back

The answer is 20.

Tags

CCSS.1.OA.A.1

Front

What does it mean to match addition problems?

Back

It means finding different ways to add numbers that give the same total.

Tags

CCSS.1.OA.A.1

Front

What is the arrow way in addition?

Back

The arrow way is a method of showing how to add numbers step by step.

Tags

CCSS.1.OA.A.1

Front

If Billy has 33 animal books and 14 more sports books, how many books does he have in total?

Back

He has 80 books in total.

Tags

CCSS.2.NBT.B.6

Front

What is the addition problem for 10 + 10?

Back

The answer is 20.

Tags

CCSS.1.OA.A.1

Front

What is the purpose of unbundling in math?

Back

Unbundling helps to simplify problems, especially in subtraction.

Tags

CCSS.2.NBT.B.5

Front

What is the sum of 158 + 42?

Back

The sum is 200.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2