Add: 145 + 23

The value of the digit 4 in 145 is ?.
45
40
4
The sum is ?.
375
168
188
The second digit in the sum represents ?.
6 ones
8 tens
6 tens

9 answers

Let's break this down step by step.

  1. Calculate the sum: \[ 145 + 23 = 168 \]

  2. Value of the digit 4 in 145: The digit 4 is in the tens place, so its value is: \[ 4 \times 10 = 40 \]

  3. The sum is: The sum we calculated earlier is: \[ 168 \]

  4. The second digit in the sum represents: In the sum 168, the second digit is 6 (which is in the tens place), representing: \[ 6 \times 10 = 60 \text{ (or 6 tens)} \]

Here’s a summary of the answers:

  • The value of the digit 4 in 145 is 40.
  • The sum is 168.
  • The second digit in the sum represents 6 tens.
Noah had to water 7 plants. Each plant needed 14 ounces of water. Noah multiplied to find out how much water he would need. Which equation shows the addition equation he could use to check his answer?(1 point) Responses 14 + 7 = 21 14 + 7 = 21 14 + 14 + 14 + 14 + 14 + 14 = 84 14 + 14 + 14 + 14 + 14 + 14 = 84 14 + 14 + 14 + 14 + 14 + 14 + 14 = 98 14 + 14 + 14 + 14 + 14 + 14 + 14 = 98 7 + 7 + 7 + 7 + 7 + 7 + 7 = 49

Noah had to water 7 plants, and each plant needed 14 ounces of water. To find the total amount of water needed, Noah multiplied:

\[ 7 \times 14 \]

To check his answer using an addition equation, he could add the 14 ounces of water for each of the 7 plants. The equation that represents this addition would be:

\[ 14 + 14 + 14 + 14 + 14 + 14 + 14 \]

Looking at the options you provided, the correct addition equation that checks his multiplication is:

\[ 14 + 14 + 14 + 14 + 14 + 14 + 14 = 98 \]

So, the answer is:

14 + 14 + 14 + 14 + 14 + 14 + 14 = 98.

Albert added 346 + 51 and got a sum of 856. What did he do wrong? (1 point) Responses Albert multiplied the two numbers instead of adding. Albert multiplied the two numbers instead of adding. Albert did not align the digits according to their place value when he set up the problem. Albert did not align the digits according to their place value when he set up the problem. Albert made a mistake when adding 4 tens + 5 tens. Albert made a mistake when adding 4 tens + 5 tens. Albert forgot to carry a ten over to the next column of digits.

Let's analyze the addition step by step for \(346 + 51\).

  1. Align the numbers by place value:

      346
    +  51
    ------
    
  2. Add the ones place:

    • \(6 + 1 = 7\)
  3. Add the tens place:

    • \(4 + 5 = 9\)
  4. Add the hundreds place:

    • \(3 + 0 = 3\)
  5. Put it all together:

    • The correct sum is \(397\).

Albert got a sum of \(856\), which is not correct. The error must be in how he set it up or calculated it.

Given the options:

  1. Albert multiplied the two numbers instead of adding.
  2. Albert did not align the digits according to their place value when he set up the problem.
  3. Albert made a mistake when adding 4 tens + 5 tens.
  4. Albert forgot to carry a ten over to the next column of digits.

The likely reason for the incorrect sum (856 instead of the correct 397) is that:

Albert did not align the digits according to their place value when he set up the problem.

So, the correct response is:

Albert did not align the digits according to their place value when he set up the problem.

The are 16 cups in a gallon. Which expressions describe how many cups are in four gallons? Check THREE that apply.(3 points) Responses 16 × 4 16 × 4 16 ÷ 4 16 ÷ 4 16 + 4 16 + 4 4 × 16 4 × 16 16 + 16 + 16 + 16

To find out how many cups are in four gallons, since there are 16 cups in one gallon, you can use multiplication.

The calculation can be expressed as:

\[ 16 \times 4 \]

This indicates that you multiply the number of cups in one gallon (16) by the number of gallons (4).

Additionally, you could also express this in different ways:

  1. 16 × 4 - This directly calculates the number of cups in four gallons.
  2. 4 × 16 - This is the same multiplication expressed with the order of the numbers switched, which yields the same result.
  3. 16 + 16 + 16 + 16 - This adds the cups in each gallon individually (16 for each of the 4 gallons).

Now, looking at the options provided:

  • \(16 \times 4\) ✔️
  • \(16 \div 4\) (This does not apply, as you wouldn't divide to find total cups.)
  • \(16 + 4\) (This does not apply, as you wouldn't just add 4.)
  • \(4 \times 16\) ✔️
  • \(16 + 16 + 16 + 16\) ✔️

The correct expressions that describe how many cups are in four gallons are:

  1. 16 × 4
  2. 4 × 16
  3. 16 + 16 + 16 + 16

So the three expressions that apply are:

  • \(16 \times 4\)
  • \(4 \times 16\)
  • \(16 + 16 + 16 + 16\)
A group of neighbors planted basil, thyme, rosemary, and oregano in a community garden. They planted the same number of each herb, for a total of 52 plants. How many rosemary plants were planted? HINT: When completing the division problem, think about how many types of herbs the neighbors planted. (1 point) Responses 13 rosemary plants 13 rosemary plants 52 rosemary plants 52 rosemary plants 16 rosemary plants 16 rosemary plants 26 rosemary plants

To determine how many rosemary plants were planted, we start with the information given:

  • There are four types of herbs: basil, thyme, rosemary, and oregano.
  • A total of 52 plants were planted, with the same number of each type of herb.

Since there are 4 types of herbs and they planted the same number of each, we divide the total number of plants by the number of types of herbs:

\[ \text{Number of each type of herb} = \frac{52}{4} = 13 \]

So, there were 13 plants of each type, including rosemary.

Thus, the number of rosemary plants planted is:

13 rosemary plants.