Review Quarter 2 Math

Which of the following is true?

• 7 + 1 = 8 - 1
• 13 + 7 ≠ 20 + 1 
• 13 + 4 ≠ 9 + 8 
• 5 + 4 = 9 + 1 

Which of the following is true?

• 2 + 9 ≠ 10 + 1 
• 2 + 1 = 4 - 1
• 3 + 4 = 7 + 2 

Which number sentence represents the word problem? 
The birds had some worms in their nest. A hawk came by and stole 7 of their worms. Now they only have 12 worms left. How many worms did they start with?

• ? + 7 = 12 
• ? - 7 = 12
• 12 = 7 - ? 
• 12 - 7 = ? 

Find a related fact for 
7 + 4 = 11 

• 7 = 4-11 
• 11+ 7= 4 
• 7 = 11 - 4 
• 4 = 7 - 11

What is the difference of these two numbers, 78 and 51?

• 27
• 30
• 129 

What is the sum of these two numbers, 35 and 23?

• 58
• 12
• 20
• 60

What is the sum of these two numbers, 64 and 21? 

• 43
• 85
• 80
• 44

What sum is represented on the number line?

• 33
• 37
• 9
• 42

What sum is represented on the number line?

• 44
• 59
• 29
• 58

Add the base ten blocks.  What is the sum?

• 85
• 1
• 81
• 83