4th Grade STAAR Test Practice

The correct answer is C.

An obtuse angle is an angle greater than 90 degrees but less than 180 degrees. Since the figure has two obtuse angles, it cannot be a square (which has only right angles), or a rectangle (which also has right angles). 

• An obtuse triangle could have an obtuse angle, but it would only have one obtuse angle, not two. 

• A trapezoid, however, can have two obtuse angles, especially if the sides are slanted, which fits the description. 

So, the correct answer is C. Trapezoid. 

The correct answer is 9.58.

Write the numbers in vertical alignment. When adding decimals, align the numbers by their decimal points. Add extra zeros if necessary to ensure the same number of decimal places for both numbers. This helps avoid confusion.

Add each digit to the corresponding digit in the second number:

• 6.38 + 3.20 → 0.08 + 0.00 = 0.08
• 6.38 + 3.2 → 0.3 + 0.2 = 0.5
• 6.38 + 3.2 → 6 + 3 = 9
• 9 + 0.5 + 0.08 = 9.58.

The correct answer is B.

Looking at the table, we can identify the pattern between the number of children and the number of pencils.

All the numbers are multiples of 3

If we divide the number of pencils by the number of children, we see:

9 ÷ 3 = 3

15 ÷ 5 = 3

24 ÷ 8 = 3

30 ÷ 10 = 3

36 ÷ 12 = 3

This shows that each child has 3 pencils. 

So, the correct answer is B. 3.

The correct answer is B.

The key points are:

• The question shows 4 activities and the number of times Joey attended each one over 4 months.
• A compulsory activity is one that Joey must attend, so the number of times attended should remain constant across the months.
• For both Soccer and Trumpet Lessons, the number of times attended varied between months, including months where Joey did not attend at all.
• This indicates that Soccer and Trumpet Lessons are likely non-compulsory activities, making option B the correct answer.

The correct answer is B.

The text explicitly states that Emma brought her "favorite chocolate chip cookie for dessert" and was "looking forward to it all morning!" However, when she opens her lunchbox, she exclaims "Oh no! My cookie is gone! I was sure I packed it this morning."

This clearly indicates that the reason Emma is upset is because her favorite cookie, which she was eagerly anticipating, is missing from her lunchbox.

The other answer choices do not accurately reflect the information given in the text:

• A. She forgot her lunch at home - This is not stated anywhere in the passage.
• C. She doesn't like what's in her lunchbox - The text does not suggest this. Emma is upset about the missing cookie, not the contents of her lunchbox.
• D. Alex took her cookie - There is no evidence in the text that Alex took Emma's cookie. The passage states that Emma is the one who realizes the cookie is missing.

The correct answer is C.

The question asks what the word "misplaced" means in line 13 of the passage. Looking at the context, Mrs. Green suggests that "maybe it's just misplaced" when referring to Emma's missing cookie.

Reviewing the answer choices:

• A. Forgotten at home - This doesn't fit the context, as the passage indicates the cookie was packed in Emma's lunchbox in the morning.
• B. Lost forever - This is too extreme, as "misplaced" implies the cookie was simply put somewhere unexpected, not permanently lost.
• C. Put in the wrong place - This is the correct answer. "Misplaced" in this context means the cookie was inadvertently placed somewhere other than where it was supposed to be, rather than being lost or stolen.
• D. Stolen by someone - The passage doesn't suggest the cookie was stolen, just that it was missing from Emma's lunchbox.

So the correct answer is C. Put in the wrong place.
The explanation provided in the passage supports this, noting that "misplaced" suggests the cookie was "put somewhere unexpected or incorrect, rather than being lost or stolen."

The correct answer is D.

This line directly reflects Emma's realization and relief that the disappearance of her cookie was due to an unexpected event (a crow taking it) rather than a person intentionally taking it. The other options (A, B, C) do not clearly support the idea that Emma realized her cookie wasn't stolen by a person.

The correct answer is C.

A. Finding food: While finding food is a general challenge for many species, it is not specifically highlighted as the main challenge in this text. Therefore, A is incorrect.

B. Navigating using the position of the sun: The text mentions that monarch butterflies navigate using the position of the sun, but it does not frame this as a challenge. Instead, it is described as a part of their natural navigation abilities. Therefore, B is incorrect.

C. Weather changes and habitat loss: The text explicitly mentions "weather changes and habitat loss" as challenges that monarch butterflies face during their journey. This makes C the most accurate answer.

D. Cluster together on oyamel fir trees: Clustering together on oyamel fir trees is described as part of their behavior during the overwintering period in Mexico, not as a challenge. Therefore, D is incorrect.