Test Prep 2

20-6=8+8

Which statement correctly describes the number sentence?

• The number sentence is not true because one side equals 14 and the other equals 16.

• The number sentence is not true because one side is subtraction and the other is addition.

• The number sentence is true because both sides equal 14.

Which has the same value as 60?

• 6 ones

• 6 tens

• 60 tens

A squirrel has 13 acorns. The squirrel buries some of the acorns and now has 5 acorns.

Which statement is true?

• The squirrel buries 8 acorns because 13-5=8.

• The squirrel buries 9 acorns because 13-5=9.

• The squirrel buries 18 acorns because 13+5=18.

A teacher asks two students to fill in the blank to make the number sentence 4+2=___+4 true. Here are their answers:

Student 1: 4+2=6+4

Student 2: 4+2=2+4

Who is correct?

• Both

• Student 1

• Student 2

What will make 5+5=____ true?

• 5-5

• 10-5

• 15-5

Which number is the same as 1 ten and 8 ones?

• 18

• 81

• 108

Chase and Dot are counting fish in a pond. Dot counts 8 fish. Chase counts some more.

If they count a total of 18 fish in the pond, which number sentence shows how many fish (X) Chase counts?

• 8+X=18

• 8+18=X

• 18+X=8

A pastry chef makes some desserts to sell. The chef makes 2 cakes, 9 brownies, and 4 pies.

What is the total number of desserts the pastry chef makes?

• 11

• 14

• 15

A party has red and blue balloons. There are 11 balloons in total at the party. If 5 of them are blue, how many are red?

• There are 6 red balloons because 5+6=11.

• There are 7 red balloons because 5+7=16.

• There are 16 red balloons because 11+5=16.

13-4=___

Which explains a way to solve the number sentence?

• Start at the number 13 and count back 12, 11, 10, 9.

• Start at the number 13, and count back 13, 12, 11, 10.

• Start at the number 13, and count on 14, 15, 16, 17.