Reveal-Units 5, 6, and 7 Math Review

Look at the pencil. What is the length in inches?

• 6 in.

• 1 in.

• 3 in.

• 23 in.

Look at the equation.

? - 14 = 42

• 100

• 56

• 65

• 28

Which number is represented by the expression 600 + 40 + 2?

• 624

• 661

• 642

• 699

Ellie has 8 cookies. Addie has 2 more cookies than Ellie. Which number sentences show how to find the number of cookies that Addie has?

Choose all the correct answers.

• ? - 8 = 2

• 8 - 2 = ?

• 8 + 2 = ?

• 8 - ? = 2

Is there an even or odd number of pencils in the group?

• EVEN

• ODD

Mrs. Eberle bought some oranges. Which number sentence shows Mrs. Eberle's oranges as the sum of two equal addends?

• 8 + 8 = ?

• 4 + 4 = ?

• 3 + 3 = ?

• 2 + 2 = ?

What is the difference? Use the number chart to help.

73 - 18 = ___

• 100

• 45

• 55

• 54

Match the following

• six hundred thirty-two

• 632

• seven hundred forty-three

• 573

• 2 hundreds, 2 tens, 8 ones

• 704

• 7 hundreds, 4 ones

• 743

• 500 + 70 + 3

• 228

How can you decompose one addend to add 24 + 37?

Fill in the missing numbers.

First add the tens, 24 + ​ ​ (a)   = ​ (b)  

Then add the ones, ​ (c)   + 7 = ​ (d)  

• 30
• 54
• 61

Write the unknown number to complete the equation.

__ = 42 + 24