Estimate Sums

Estimate, or round eah addend to the indicted place vvalue.

34 + 65; tens

• 30 + 70 = 100

• 45 + 65 = 100

• 35+ 40 = 100

• 30 + 40 = 100

Estimate, Round each addend to the indicated place value.

591 + 234; Hundreds

• 650 + 600 = 800

• 600 + 250 = 800

• 600 + 200 =800

• 595 + 250 =800

Estimate, Round each addend to the indicaed place value.

$3,327 + $1,548; tens

• $3,000 + 1,500 = $4880

• $3,330 + 1,500 = $4,800

• $3,320 + $1,550= $4,000

• $3,330 + $1,550 = $4,880

Estimate, Round each added to the indicated place value.

2613 + 3177; Tens

• 2700 + 5700= 5790

• 2600+ 5700= 5790

• 2610 + 3180= 5,790

• 2600 + 3100 = 5790

Estimate, Round addend to the nearest ten and nearest hundred.

363 + 132=

• nearest ten

  360 + 130 = 490

• nearest hundred

  400 + 100= 500

• nearest 10

  350 + 135 = 490

• nearest 100

  360 + 135 = 490

Draw place value blocks to show the sum.

272 + 119 = 391

Tags

CCSS.2.NBT.B.7

Draw place value blocks to show the sum.

632 + 354 = 986

Tags

CCSS.2.NBT.B.7

Draw place value blocks to show the sum.

216 + 775= 991

Tags

CCSS.2.NBT.B.7