Unit 8 Math Review

There are 7 ants on a rock. Some more ants get on the rock. Now there are 18 ants on the rock. How many more ants got on the rock?

• 9 ants

• 10 ants

• 11 ants

• 12 ants

Tags

CCSS.1.OA.A.1

What math sentence does the quick picture show?

• 60 + 30 = 90

• 40 + 50 = 90

• 20 + 70 = 90

• 80 + 10 = 90

Tags

CCSS.2.OA.A.1

What is the missing addend in the web?

• 50

• 60

• 70

• 80

Tags

CCSS.2.OA.A.1

If I want to add tens to a number in the hundred chart, which way should I go?

• left <

• right >

• down

• up

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Frank crosses out the number cards that are less than 33 or greater than 38. What number cards are left?

• 30 and 32

• 32 and 36

• 36 and 37

• 37 and 39

Tags

CCSS.1.NBT.B.3

Jimmy planted two rows of corn. He used 30 seeds in each row. He has 16 seeds left. How many seeds of corn did Jimmy have to begin with?

• 56

• 66

• 76

• 86

Tags

CCSS.3.OA.D.8

The students in the class are 7 girls and 11 boys. How many students are in the class?

• 15 students

• 16 students

• 17 students

• 18 students

Tags

CCSS.2.OA.A.1

Which sentence matches this sentence that counts on and back by tens

• 87 - 40

• 87 - 10

• 87 - 30

• 87 - 20

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What addition sentence does the model show?

• 24 + 2

• 32 + 20

• 22 + 40

• 62

Tags

CCSS.2.OA.A.1

What sum does the addition sentence of this model shows?

• 52

• 15

• 67

• 76

Tags

CCSS.2.OA.A.1