Add/Subtract decimals
Add/Subtract Fractions
Multiply/Divide Word Problems
Category 4: Vocabulary
Correct, Incorrect, and Why?
100

3.2 + 1.5

4.7

100

1/4 + 2/4

3/4

100
A recipe calls for 4/5 cups of flour. You want to double the recipe. How much flour do you need?

1 3/5 cups

100

The top number in a fraction

numerator

100

“The decimal 3.40 is the same as 3.4.” — Aiden

Correct


Zeros to the right of a decimal don’t change the value.

200

7.8 − 2.4

5.4

200

3/5 − 1/5

2/5

200

Julie has has 25 cookies. She wants to split them between her 3 friends. How many cookie will each friend get?

8 1/3 cookies

200

A fraction where the numerator is larger than the denominator.

Improper fraction

200

“1/2 + 1/4 = 2/6.” — Bella

Incorrect

Denominators must match → 1/2 = 2/4; 2/4 + 1/4 = 3/4.

300

12.67 + 3.45

16.12

300

1 ½ + 2 ⅓

 = 3 5/6

300

Gabe runs 3 1/2 miles on the track. If each lap is 1/4 of a mile, how many laps did Gabe run?

14 laps

300

Two fractions that have the same value or amount.

equivalent fractions

300

“3/4 and 6/8 are equivalent.” — Jalen

Correct

3/4 and 6/8 are equivalent because the numerator and denominator of 3/4 are both multiplied by 2.

400

9.05 − 4.78

4.27

400

4 ¼ − 2 ⅔

1 7/12

400

A store has 45 boxes. Each box holds 8 toys. The toys are packed into bags of 10. How many bags can be made?

45×8=360; 360÷10= 36 bags

400

A number with a whole part and a fractional part is a ___.

Mixed number

400

“5/6 and 6/1 are reciprocals.” — Kim

Incorrect

The reciprocal of 5/6 is 6/5.

500

Emily ran 2.65 miles on Monday and 3.42 miles on Tuesday. How many miles did she run in total?

2.65 + 3.42 = 6.07 miles

500

A recipe needs 2 ½ cups of flour and 1 ¾ cups of sugar. How much more flour than sugar is needed?

2.5 − 1.75 = 0.75 = ¾ cup

500

A gardener plants 4 1/4 beds of tomatoes. A full bed can hold 12 tomato plants. How many plants did he plant in all?

51 plants

500

The multiplicative inverse (or flipped version) of a number.

Ex: 2/3 and 3/2

Reciprocal

500

“The B in cubes means to brainstorm.” — Derrick

Incorrect

The B in cubes means to box clue words!