Third Grade Singapore Practice Test D

Name ______Date ______

  1. A farmer collected 1930 chicken eggs. He collected 859 fewer duck eggs than chicken eggs. How many eggs did he collect altogether?

Step 1: First I need to find out how many duck eggs the farmer collected. If he collected 859 fewer duck eggs than the 1930 chicken eggs I need to ______.

Step 2: Then to find out how many eggs he collected altogether I need to (add or subtract) the number of chicken eggs and the number of duck eggs (From Step 1).

Answer: The farmer collected _____ eggs

altogether.

  1. 4100 children took part in an art show. 2680 of them were boys. How many more boys than girls were there?

Step 1: Before I can find out how many more boys than girls there were, I need to find out how many girls were there. If the total number (whole) of children was 4100 and the number of boys (part) was 2680 then I need to (add or subtract) to find out how many of the children were girls. Remember all the children that are not boys are girls.

Step 2: Then to find out how many more boys than girls were there, I need to (add or subtract) the number of girls (Step 1) from the number of boys.

Answer: There were _____ more boys than girls at the art show.

  1. Kala baked 1050 chocolate chip cookies and 950 sugar cookies. After she sold all of the cookies, she made 765 more cookies. How many cookies did she make altogether?

Step 1: I need to find out how many cookies Kala baked in all, including the ones she sold and the ones she has not yet sold. First I can (add or subtract) the ones the sold.

Step 2: Then I can (add or subtract) the number of cookies that she has not yet sold to the number of cookies that she sold (Step 1 total).

Answer: Kala made ______cookies in all.

  1. Chava earned $3915 cutting grass. He spent $1268 and donated $1380 for Relay for Life. He saved the rest. How much money did he save?

Step 1: Before I can find out how much Chava saved, I need to find out how much he spent and donated. First I need to (add or subtract) the amount of money that he spent and the amount that he donated.

Step 2: Next I need to (add or subtract) the amount of money that he spent (part) and donated (part)(Step 1) from the total (whole) amount of money that he earned. When I do that I can find out how much money he had left to save (part). I need to remember that he cannot have more money to save that he made cutting grass.

Answer: After cutting grass for $3915 (whole), Chava spent $1268 (part), donated $1380 (part), and had ______left (part) to save in his bank.

  1. A refrigerator costs $1739. An oven is $850 cheaper than the refrigerator. Ms. Howell buys both the refrigerator and the oven. How much does she pay?

Step 1: Before I can find out how much Ms. Howell spent on the oven and the refrigerator I need to find out how much the oven cost. It is $850 cheaper or less expensive than the refrigerator.

Step 2: Now that I know how much the oven cost

(Step 1), I (add or subtract) the cost of the oven

and the refrigerator to find out how much Ms.

Howell had to pay for both.

Answer: Ms. Howell paid ______for the oven and

the refrigerator.

  1. Selena had $2467 in the bank. She deposited another $133. How much more money must she deposit if she wants to have $3000 in the bank?

Step 1: First I need to find out how much money Selena has in the bank after she puts in the $133. She had $2467 in the bank to begin with.

Step 2: Then I need to (add or subtract) the amount that she now has in the bank (Step 1) from the amount that she wants to save in all. The amount she wants to save is $3000.

Answer: Selena needs to save ______more dollars in order to have $3000 in the bank.

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