ACAP 4th Grade Math Day 1 Practice

Answer explanation

87/100 = 0.87

87/100 also equals 8/10 + 7/100 because the 8 is in the tenths place and the 7 is in the hundredths place.

Tags

CCSS.4.NF.C.6

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Answer explanation

A rectangle has two pairs of parallel lines and four right angles.

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

• 1,234

• 1,234 R1

• 1,237

• 1,237 R1

Answer explanation

Remember: divide, multiply, subtract!

Tags

CCSS.4.NBT.B.6

Answer explanation

Area = length x width

Area describes two-dimensional (flat) space.

It is always expressed in square units.

Tags

CCSS.5.NF.B.4B

• 5,039,877

• 5,045015

• 5,034,975

• 5,403,221

Answer explanation

Find your place, look next door.

Five or greater-- add one more.

All in front stays the same.

All behind, zero's your name!

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Answer explanation

Solve using an area model.

Tags

CCSS.4.NBT.B.5

CCSS.4.OA.A.2

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Answer explanation

5 x 3/4 = 15/4

Only multiply the numerator.

5 x 3/4 is the same as 3/4 added to itself five times:

3/4 + 3/4 + 3/4 + 3/4 + 3/4.

Tags

CCSS.7.EE.B.3

Answer explanation

The perimeter is the distance around an object.

Tags

CCSS.7.EE.B.3

Answer explanation

Add each fraction of an hour Kendra played piano:

2 x 1/4 hour = 2/4 hours

2 x 1/2 hour = 1 hours

3 x 3/4 hour = 2-1/4 hours

1 x 1 hour = 1 hour

2/4 + 1 + 2-1/4 + 1 = 4-3/4 hours

Tags

CCSS.4.MD.B.4

Answer explanation

Use an area model to solve!

Tags

CCSS.5.NBT.B.5