Add: 33 + 32 + 44 + 28
Use mental math strategies. Explain which numbers you grouped together and why.
Add: 43 + 30 + 24 + 21
Use mental math strategies. Explain which numbers you grouped together and why.
Add: 40 + 26 + 39 + 30
Use mental math strategies. Explain which numbers you grouped together and why.
Add: 20 + 29 + 43 + 41
Use mental math strategies. Explain which numbers you grouped together and why.
Add: 45 + 36 + 25 + 23
Use mental math strategies. Explain which numbers you grouped together and why.
Find four different two-digit numbers that add up to exactly 100. Show your work.
Find four different two-digit numbers that add up to exactly 100. Show your work.
Find four different two-digit numbers that add up to exactly 100. Show your work.
Find four different two-digit numbers that add up to exactly 100. Show your work.
Find four different two-digit numbers that add up to exactly 100. Show your work.