Grade 1: Unit 4 Review

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Tens and Ones

By Jordan Jackson

Multiple Choice

What is $$7 + 5$$ ?

• 10

• 12

• 14

• 15

Multiple Choice

What is $$14 - 5$$ ?

• 8

• 9

• 10

• 11

Multiple Choice

Which number does the model show?

• 32
• 34
• 36
• 46

Multiple Choice

What is the value shown?

• 6
• 16
• 60
• 70

Multiple Choice

30 + 30 =

• 50

• 6

• 60

• 5

We have learned a lot about 2 Digit Numbers

What did you learn?

What strategies can we use?

How many strategies can you name to add and subtract 2-digit numbers?

Let's use the base 10 blocks

​​56 + 30 =

​​28 + 24 =

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​​72 - 40 =

​​48 - 10 =

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Multiple Choice

6+26= _____

• 12

• 22

• 32

• 23

Multiple Choice

What addition problem do these base ten blocks represent?

• 35+29
• 28+39
• 29+38
• 38+29

Multiple Choice

33+19= _____

• 12

• 42

• 52

• 25

Fill in the Blank

45 + 20 = ?

Let's try a different strategy

​​32 + 20 =

​​65 + 17 =

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Poll

What strategy is your favorite?

• Base Ten Blocks

• Place Value Chart

• This paper

• A different strategy

Let's use those strategies to answer a few word problems

• What strategy should we use?

• What should our equation be?

What is 10 more than 42?

• What strategy should we use?

• What should our equation be?

What is 10 less than 42?

Paige read 40 pages yesterday. She reads 20 more pages today. How many pages did Paige read in all?

Multiple Choice

28 + 34 = ?

• 62
• 72

• 60

• 52

Multiple Choice

52 + 31 = ?

• 83
• 80

• 72

• 53

Multiple Choice

Junior has 47 books.

He buys 13 more.

How many books does he have in all?

• 60
• 50

• 47

• 70

Multiple Choice

Eternity finds 34 Easter eggs at the Easter egg hunt. Valentin finds 20 eggs. How many eggs did they find altogether?

• 40
• 50
• 45

• 54