243 × 12
Answer: 2,916
324 ÷ 3
Answer: 108
Round and estimate 243 × 10
Round 200x10=2,000
Round and estimate 324 ÷ 3 to the nearest hundreds
Round: 300 ÷3= 100
What is the value of the digit 6 in 6,482
6,000
356 × 24
Answer: 8,544
672 ÷ 6
Answer: 112
Round and estimate 356 × 10
Round: 400 × 10=4000
Round and estimate 672 ÷ 6 to the nearest hundreds
Round: 700 ÷ 6 =116 R6
Write 3.47 rounded to the nearest tenth
3.5
481 × 13
Answer: 6,253
915 ÷ 5
Answer: 183
Round and estimate 481 × 10
Round: 500 × 10=5000
Round and estimate 915 ÷ 5 to the nearest hundreds
Round: 900 ÷ 5= 180
A school buys 24 boxes of pencils. Each box has 36 pencils. How many pencils is that?
Exact: 864
Estimate: 20x40=800
629 × 15
Answer: 9,435
1,248 ÷ 4
Answer: 312
Round and estimate 629 × 10
Round: 600 ×10=6000
Round and estimate 1,248 ÷ 4 to the nearest hundreds
Round: 1,200 ÷ 4 =300
784 × 32
Answer: 25,088
1,638 ÷ 7
Answer: 234
Estimate 784 × 10
Round: 800 × 10= 8000
Round and estimate 1,638 ÷ 7 to the nearest hundreds
1600÷ 7= 228 R5
A number is divisible by 5 if it ends in…
0 or 5