tristrl1011 tristrl1011
  • 25-09-2014
  • Mathematics
contestada

what addition doubles fact can help you solve 4+5? explain how you know

Respuesta :

lilbabyboss123 lilbabyboss123
  • 25-09-2014
4+5=9 because your adding hold up 5 fingers in put 4 more that's 9
Answer Link
Аноним Аноним
  • 12-09-2019

⇒4+5

=4+4+1----[5=4+1]

=2 × 4 +1

=8+1

= 9

→4+5

=(5-1)+5

 =5+5-1

 =10-1

 =9

Addition Doubles Fact used

→4+4 =8

or

→5+5=10

Answer Link

Otras preguntas

WILL MARK BRAINIEST - Find four solutions of each equation. Write the solutions as ordered pairs. y= -3x + 1 y= 2x + 4 y= -7
Which is the solution to the inequality? 1/4 + x < 5/8
Find the following function for A
what is this equation 7<x+5<11
Under the 12th amendment, if no candidate receives a majority of electoral votes for president, _____. answers.cpm
An equation for loudness L in decibels is given by L= 10LogR where R is the sound’s relative intensity. An air-raid siren can reach 150 decibels and jet engine
Lori has chosen to speak on the current state of the economy in the U.S. Which of the following quotes is the least likely to be a good choice for her to inclu
plz help me ill give you brainlest
Assess the poem below with respect to each characteristic of lyric poetry. Describe each characteristic as either matching the lyric poetry model or not. POEM:
The ___ is a body of civil law thats still used in some places in Europe